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	L'aire d'un hexagon, octagon etc		2010-01-07
		danie pose la question : C'est quoi la formule pour l'aire d'un hexagon, octagon etc. est-ce que c'est Nombre de cotes x ((L'apothem x la mesure d'un cote tout divise par 2)??? Claude Tardif lui répond.
	Finding the area of a regular polygon		2007-05-04
		Dana pose la question : We are trying to figure the square footage of a tetradecagon....sort of a round house with 14 sides that are 8 ft' in length. It has a height of 9 ft. How do we figure the square footage of this? Stephen La Rocque lui répond.
	The area of a regular octagon		2006-10-22
		Farhana pose la question : I have a regular octagon with sides of 0.8m and I need to find the area, Karen McIver and Penny Nom lui répond.
	The perimeter of a regular octagon		2006-04-20
		Martin pose la question : I would like to make an octagon out of 2x4 lumber. I know that the lumber needs to be cut at 67.5 degree angles, but how do I determine the length of each piece if I want to make, say, a 2.5 ft diameter octagon? Stephen La Rocque lui répond.
	The diameter of an octagon		2021-05-22
		Sue pose la question : What is the diameter of an octagon with 8 foot sides Penny Nom lui répond.
	An octagonal drum		2021-05-11
		Louie pose la question : I teach carpentry on an Indian reservation. My students want to make an 18 inch drum frame. They want to have 8 sides or an octagon shape to the drum frame. What angle I have to set my miter saw to cut the angles to fit the octagon together. I want to use this formula by changing the diameter of the frame. Harley Weston lui répond.
	The distance between opposite vertices in an octagon		2020-11-14
		joe pose la question : If the dimension from one flat part of an octagon to opposite flat is 500 mm what is the largest diameter (point to point) of the octagon? Harley Weston lui répond.
	An octagonal pool deck		2020-05-30
		lauchie pose la question : need help on cut sizes and cut degrees on octagon pool deck for a 24 foot round pool Harley Weston lui répond.
	A hexagonal planter		2020-05-28
		Callie pose la question : Hello, I'm having trouble cutting my angles for my 2 x 4 planter. I did exactly as I've watched and read and mine is just not turning out! Ok, so I want 6 or 8 piece hexagon. With an interior of about 10". So I understand that the boards can be any length, but its the 30 degree or 22 1/2" angles that matter. So. How do I figure how long my 2 x 4 is with 6. and another 8 pieces of 2 x 4 to make this planter and at what angle. So does the length determine the angle? Thank you in advance! i don't want to waste anymore wood! And how to figure length, angle and center circumference? Harley Weston lui répond.
	An octagonal deer blind		2018-12-31
		Alan pose la question : My grandson and I would like to making a 6'x6' octagon floor for a deer blind. He is eight yrs old and the math is outside my wheelhouse. We need to know the length of the boards and angles of the corners please. Thank you, Sincerely, Alan Penny Nom lui répond.
	An enclosure for some remote control boats		2017-10-03
		Roberto pose la question : I am trying to build a "ring" for our remote control boats, using irrigation pipe. I'd like to use full 20' long sticks for the long sides and use eight of what we call 45s, which are actually 135' fittings to make the six short sides. If I know the length of the two long sides, what would be the formula to find the exact lengths of the short sides? Thank you. Penny Nom lui répond.
	An octagon from a square		2016-12-26
		Chris pose la question : We have a square piece of wood (30 inches x 30 inches) that we need to cut into an octagon. Is there a simple way to figure out where to make the marks/points to cut? I mean like really simple? Thanks! Penny Nom lui répond.
	Covering an octagonal region with sand		2016-08-13
		Lynn pose la question : How much sand is needed to fill a 20 ft. wide octagon area 6 inches deep? Penny Nom lui répond.
	An octagonal frame around a pool		2015-05-17
		James pose la question : I have a 20' pool and need to put a frame around it using 2by 4 what r the lengths and angle cuts Penny Nom lui répond.
	An irregular convex octagon		2014-11-13
		james pose la question : I have an irregular convex octagon, alternating between 4 large edges, say 'a' mm long and 4 small edges, say 'b' mm long, is there a formula available so that I can work out the minimum size sit a circle with a radius of 34.25mm inside it thank you Chris Fisher lui répond.
	Building an 8 sided box		2014-10-14
		Michael pose la question : I want to build an 8 sided box. The North, East, South, and West sides I want them to be 4 feet in length. The NE, SE, SW, and NW sides I want to be 2 feet in length. What angles do I need to cut my angles. Thanks Michael Penny Nom lui répond.
	An octagon around a tree		2014-07-16
		floyd pose la question : I want to build an octagon 4 feet from base of tree from 4x4's. What length do I cut my pieces Penny Nom lui répond.
	An octagonal pad		2014-04-25
		George pose la question : Hi, I need to pour a cement pad in the shape of an octagon that allows for 12" of clearance around the tank I will be putting on it. The tank has a radius of 16'. Penny Nom lui répond.
	The area of an irregular octagon		2013-11-18
		zafar pose la question : if i have a rectangular octagon then how i can find its area 1. The length of rectangle is 42 and the width is 21 and and the base length is 42-12 =30 i mean the length of base =30 Penny Nom lui répond.
	A raised bed in the shape of an octagon		2012-11-22
		pat pose la question : I want to make raised-bed gardens - usually 4' square, but want to be more creative by creating octagonal boxes. The ideal size for square beds is 4'x4'. The boards are 8' long, so I want to get as much out of a board as I can. If I want an octagon with a diameter of 4', I think the sides would be (rounded off) about 1.5' each using 2 full boards with a little waste and the growing space would be less than a 4' square (16 square feet). If I want to increase the length of each side to 2' each (getting the max from a board), what will the diameter of this octagon be so I can determine the growing space of the box. (The reason a 4' square is important in gardening, besides maximizing the wood, is that a person can reach into the center to plant and pick veggies without stepping on the soil, so diameter is important). My math days are long over and I'm having trouble working with octagons! Thank you! Harley Weston lui répond.
	An octagonal sandbox around a pool		2012-06-12
		Linda pose la question : My pool is 15 feet across and it is round. How do I measure to cut wood to build a sandbox around it? was thinking it will look like an octagon. Thanks Harley Weston lui répond.
	An octagonal home		2012-05-29
		Jan pose la question : Lot size is 30' by 30' will a 1,165sq ft. Octagon home fit on lot? I don't know the wall size's only the total size of building? Thank You for have this? If this won't fit what size in sq ft will fit? Penny Nom lui répond.
	A circle inscribed in a regular octagon		2012-01-16
		Eric pose la question : I have a circle inscribed in a regular octagon. How do I determine the length of one side of the octagon if I know the radius of the circle (2.75 inches) ? p lui répond.
	The sides of a regular octagon of area 800 sq. ft.		2011-09-21
		Susan pose la question : Help please. I am building an octagon tree house to live in. I would like the total square footage to equal 800 to 1,000 sq ft. How long should each side of the octagon be. tx, susan Penny Nom lui répond.
	An octagonal fire pit		2011-08-19
		terry pose la question : i have a 18 ft diameter gravel circle laid down for a fire pit. i want to lay the paver stones out in a octagon pattern. How long would the sides of my octagon be to fit center on the 18 ft diameter of gravel base? Penny Nom lui répond.
	A concrete octagonal pad		2011-08-04
		Tina pose la question : I have a project where I need to construct a concrete octagonal pad. Each side is 12' and it is 5" deep. Please tell me how to calculate square yards of concrete. Thank you. Penny Nom lui répond.
	17/20 of way around around an octagon		2011-06-05
		Priscilla pose la question : What side of an octagon is a snail on if it is 17/20 way around? I think it is 6.8? Does that mean it is on side 6 or 7? Penny Nom lui répond.
	A fence around a water tank		2011-02-01
		Heath pose la question : I am building a fence around a water tank. the fence is to be in the shape of a normal octagon. The tank has a circumference of 57 ' 6''. I would like the fence to be 3 ft from the tank at the skinny point . How would I calculate(for the simple guy) where to set each of my 4x4 posts at the 8 corners. Any help would be greatly appreciated. Harley Weston lui répond.
	A 20" octagon		2010-11-19
		CHARLES pose la question : I have a 20" octagon and it has 8 parts. In inches how big is each part. I was told each part was 5.86".The top of the octagon breaks into 3 equal parts don't equal 20".When i did my math i thought it should be 6 5/8" which is closer to 20" I am trying to cut a octagon out of a 20"circle Stephen La Rocque lui répond.
	An octagonal shaped cake		2010-08-12
		Sara pose la question : Hi, I have tried many polynomial equations and substitution methods but i cant seem to get the right answer. Can you please provide some guidance? Question: A square cake tin is 24cm x 24cm x 7cm but a cook wants to make an octagonal shaped cake so has cut out 4 pieces of rectangular card board and placed one on each corner on the interior of the tin. The cake has to be a regular octagon so pieces must be just right. What is the size of each piece of cardboard to make the cake a regular octagon? Thankyou. Tyler Wood lui répond.
	An octagon shaped bench		2010-07-09
		rob pose la question : i am trying to build a octagon shaped bench to fit inside a 69 inch round hot tub so that the tip of each point touches the edge of the circle where it will be fastened. Stephen La Rocque lui répond.
	An octagonal building		2010-06-23
		Nancy pose la question : I have to submit my approximate sq. meters of an Octagon home in Costa Rica. All I know is all sides are equal. One structure has all sides at 16 feet and the second one has all sides equal at 8 ft. I then have to convert it to sq. meters. Can anybody help me with this? Thank you so much, Nancy Penny Nom lui répond.
	The width of a regular octagon		2010-04-14
		Denise pose la question : I need to know the measurement of an octagon on the inside from flat side to side side, not angle to angle, where the sides are 10 feet long. Penny Nom lui répond.
	An irregular octagon		2010-03-09
		Gayle pose la question : Question from Gayle: I am building an irregular shaped octagon wooden box. The measurements are 291/2 inches by 211/2 inches. Sides are 12 inches. It will be 36 inches high. What would the cutting angles degrees be? Harley Weston lui répond.
	A diagonal of an octagon		2010-03-02
		cody pose la question : I have an octagon 3ft tall by 3ft wide. What are the lengths of the diagonal lines to the vertical and horizontal lines (b and b)? Penny Nom lui répond.
	An octagon garbage storage bin		2010-03-02
		sharon pose la question : I am trying to make a octagon garbage storage bin and i need to know the measurement of the outer and iner sides i can't get them to fit together what am i doing wrong Penny Nom lui répond.
	A circular photo in an octagonal frame		2010-01-13
		Mike pose la question : I have a circle photo 18 and one quarter inches round. I want to cut frame for it in a octagon shape. What would the angle and the length of cut be? Mike Robert Dawson lui répond.
	Truncated Octagonal Prism		2009-12-26
		freitas pose la question : the top plane of the truncated octagonal right prism is 45 degree with respect to horizontal. find the volume Janice Cotcher lui répond.
	Designing a shelf		2009-06-28
		Bjorn pose la question : I'm putting up a shelf and thought I'd be nice and cut the sharp and pointy corners off. I want to the cut to be at a 45 degree angle, but I also want the exposed edge to be the same length as from the wall to the beginning of the cut -- so the end of shelf will look like the first two sides of an octagon. I've managed to construct the solution, but I haven't been able to calculate it... Please help! Stephen La Rocque lui répond.
	An octagonal shaped gravel pit		2009-04-16
		Melissa pose la question : What is the square footage of a 7'3" square ocatogon with a height of 5 inches? I need to know how much pea gravel to buy for my sons gravel pit. Stephen La Rocque lui répond.
	A 27 inch diameter octagon		2009-04-04
		Gary pose la question : I am trying to build an octagon with 27 in outside diameter, i could make it 28 if it makes the calculations easier. Anyway i need to figure out the length of each individual piece of the octagon. I have tried and i can't get it, please help Thanks Gary Harley Weston lui répond.
	An octagonal deck		2009-04-01
		Terry pose la question : area of octagon deck? perimeter 128ft, distance from center to any side 19ft Stephen La Rocque lui répond.
	Octagonal panels for a horse pen		2009-03-25
		Tony pose la question : I am building a pen for my horse. I am going to use 12' panels in the shape of an octagon. How many feet will he have from side to side using 12' panels. Thanks, Tony Robert Dawson and Penny Nom lui répond.
	An octagonal landscaping frame		2009-03-01
		Richard pose la question : Hi I am trying to put landscape timbers down in octagon shape that measures 6 feet across and outside measures 360 degrees.. The timbers are 4 inches by 4 inches. I need to know at what angle to cut boards and at what length i need to complete octagon. Thanking you in advance for your kind assistance. Richard :) Harley Weston lui répond.
	An octagonal poker table		2009-02-23
		Corey pose la question : I'd like to build an octagonal poker table using 4'x8' sheets of plywood. I would like each side edge to be approx. 2' wide. I am sure that due to the angles I can do this with one sheet of plywood, but i don't know how to measure for this. Can you help? Robert Dawson and Harley Weston lui répond.
	An octagonal pyramid		2009-02-20
		JUDY pose la question : THE BASE OF A PYRAMID IS A REGULAR OCTAGON. HOW MANY CONGRUENT TRIANGULAR FACES DOES THE PYRAMID HAVE? Penny Nom lui répond.
	One vertex angle of a regular octagon is trisected		2009-02-19
		Chelsy pose la question : Suppose one vertex angle of a regular octagon is trisected as shown in the figure. Each side of the octagon measures 4 units. Find the area of the shaded area. Robert Dawson lui répond.
	An octagonal carpet		2009-01-24
		Larry pose la question : I am cutting a piece of carpet that is 9 feet x 9 feet and need to cut it into an octagon. How far do I cut from the corner of the square. thank you for any help. Harley Weston lui répond.
	Draw an octagon with an area of 18 square centimeters		2008-12-02
		Heidi pose la question : Draw an octagon with an area of 18 square centimeters Penny lui répond.
	The sides of an octagon		2008-10-12
		side lengthsGarry pose la question : I need the length of the sides and the degrees of the angles for a 30 inch diameter octagon Janice Cotcher lui répond.
	Octagon angles		2008-10-06
		John pose la question : My daughter wants to build an octagon using PVC pipe fittings. There are several pipe "elbows" available, including 45 degree. I'm trying to determine if if an octagon can be constructed by using 8 pairs of 45 degree elbows, connected to each other by 8 sections of straight pipe of some equal legnth. This makes sense to me intiutively, but I do not know how this can be properly expressed in geometric terms. Chris Fisher, Victoria West and Harley Weston lui répond.
	The sides of an octagon		2008-09-21
		mark pose la question : I need to know the measurements of an octagon with a inside diameter of 34.5 inches from side to side Penny Nom lui répond.
	Finding the Side of an Octagon		2008-09-15
		Nivra pose la question : I wondered how to find the wall length of an octagon shaped house from the square footage (1250 sq.ft.). Janice Cotcher lui répond.
	Angles in an octagon		2008-08-26
		Arvie pose la question : I have seen your answer to Kay on how she can find the length for the sides of an octagon for a 4 foot window, but what is the angle that will need to be cut to get to 4 feet Penny Nom lui répond.
	The area of an octagon		2008-06-03
		Jeanne pose la question : WHAT IS THE SQUARE FOOTAGE OF A 14 X 14 OCTAGON? Penny Nom lui répond.
	The sides of an octagon		2008-05-07
		Frank pose la question : Question from Frank, a parent: Hi, Need to lay out a 10 ft. diameter octagon on the ground. What is the length of the sides ? And the angles ? Harley Weston lui répond.
	An octagonal prism		2008-04-27
		Melanie pose la question : My son is identifying geometric shapes in the real world? We are stuck on octagonal prism, rectangular prism and square prism. Can you help me out with some examples. Thanks Penny Nom lui répond.
	Side lengths and angles in a regular octagon		2008-04-09
		Lori pose la question : I am a builder and need to find the length of the sides of an octagon. I know the length between the parallel sides (26 feet). What is the length of each side? What is the angle measurement? Harley Weston lui répond.
	Any regular polygon inscribed in a circle		2008-03-17
		lindsay pose la question : how do find the perimeter of a regular octagon inscribed in a circle with a radius of 5 units Stephen La Rocque lui répond.
	An irregular octagon		2007-12-23
		Sheldon pose la question : I am attempting to construct an irregular octagon picture frame out of bamboo. The bamboo is 1" in diameter and the opening should be 20" H X 16"W. What measurements should be used? Penny Nom lui répond.
	The area of an octagon inscribed in a circle		2007-12-01
		Harry pose la question : I need to find the area of an octagon in a circle. each point of the octagon touches the edge of the circle, and the circle's diameter = 4 cm. What is the area of the octagon Penny Nom lui répond.
	The volume of a regular octagonal prism		2007-10-20
		Chris pose la question : I am trying to figure out the volume of a regular octagonal prism, with side lengths of 4 inches. How do I do this? Penny Nom lui répond.
	An octagonal table		2007-10-18
		Lorne pose la question : I am 77 years old and want to build a table top with each side measuring 23 inches. I believe the diameter would be 55.5 inches. Is this correct and what is the angle of the cuts I have to make? Thank you for your patience. Penny Nom lui répond.
	The diameter of an octagon		2007-10-12
		Lewis pose la question : How do I calculate the dimension of the diameter of an Octagon when each leg has a dimension of 60 feet? Penny Nom lui répond.
	An octagon from a square		2007-08-15
		Dian pose la question : Okay, here is my problem. I have a 21" square and want to make it into an octagon. I am 61 and mathematically challenged. What I need to know is how many inches to each angle? I want this to be accurate as I am using it for a pattern. Penny Nom lui répond.
	Diameter of an octagon		2007-08-07
		Bree pose la question : I am trying to find the diameter of a octagon with 20' sides . What formula do I use? Stephen La Rocque lui répond.
	Any regular polygon inscribed in a circle		2007-07-12
		DJ pose la question : Circle with r=12" is inscribed in a regular octagon. What is the length of each octagon segment? Note: Our answer works for any regular polygon inscribed in any circle. Stephen La Rocque lui répond.
	A regular octagon is made up of 8 identical isosceles triangles		2007-06-04
		Alex pose la question : A regular octagon is made up of 8 identical isosceles triangles. If the perimeterof each isosceles triangle and the hexagon are 58 cm and 168 com respectively, find the length of the identical sides of the triangle. Stephen La Rocque lui répond.
	An octagonal sign		2007-05-13
		Cathy pose la question : An octagonal sign is made by cutting four identical triangles made from a rectangle calculate area of one of the discarded triangles. length of square=26cmx22cm. length of octagonal sides are 10cm x 13cm Penny Nom lui répond.
	Area of region between circle and inscribed octagon		2007-05-07
		amy pose la question : I have to find the area of the shaded region where there is an octagon inscribed in a circle The radius is 4 inches. The shaded region is everything besides the octagon inside the circle. How can I find the area of the shaded region? Thank you! Stephen La Rocque lui répond.
	Constructing an octagonal deck around a circular pool		2007-04-20
		Cliff pose la question : [I am building an] octagonal desk encompassing 17 foot diameter circle for pool. I have seen other octagonal calculations but none of these tell me how much allowance for a circle to fit within the octagon without losing the circle edge can anyone help thanks cliff Stephen La Rocque lui répond.
	The area of a regular octagon		2007-04-17
		Adam pose la question : I need to find the area of a regular octagon with side length of 12.5m Penny Nom lui répond.
	An octagonal box		2007-03-31
		eddie pose la question : I need to make one wood box in octagon type, that has 1125.00 square feet. I want to know how many feet in one side Penny Nom lui répond.
	Perimeter of an octagon inside a circle		2007-02-08
		Courtney pose la question : a regular octagon is inscribed in a circle with a radius of 12 cm. find the perimeter of the octagon? Stephen La Rocque lui répond.
	A circle inscribed in an octagon		2007-01-25
		Anna pose la question : If I know that the sides of my octagon are 8 units, how do I determine the radius of an inscribed circle? Penny Nom lui répond.
	An octagonal bird house		2007-01-13
		Soren pose la question : I'm in the process of building a birdhouse that is an octagon (based on previous questions, looks like that's a familiar tune). The essential elements are known, but I get stuck when trying to determine the angle for the cuts that would be made to the thickness of the wood so that they all fit together when assembled. Each octagonal section is 7 inches in width and the peak of the roof will be 2 inches higher than the sides. My sense is that the angle cuts that need to be made to the 'height' of each piece of wood. By height I mean the thinnest part of the wood that is neither the length nor the width to use colloquial terms. While it's clear that a slight angle is needed, it would seem that the angle would necessarily change as the distance from the top of any one side to the peak changes. Please advise if more clarification is needed. The 2 inches is random and can be changed if more convenient. Whew! Harley Weston lui répond.
	An Octagon with area 10,000 square feet		2007-01-09
		Christopher pose la question : how big would each side of an Octagon have to be to have approx 10,000 square feet on the inside Stephen La Rocque lui répond.
	An octagonal birdhouse		2006-12-30
		Verner pose la question : I am building a octagon birdhouse,what degree would I cut each side of each piece of wood to assemble the birdhouse? Penny Nom lui répond.
	An octagon inscribed in a square		2006-12-29
		Richard pose la question : An octagon is inscribed in a square so that the vertices of the octagon trisect the sides of the square. The perimeter of the square is 108 centimeters. What is the number of square centimeters in the area of the octagon? Walter Whiteley lui répond.
	A regular polygon inscribed in a circle		2006-12-19
		Katy pose la question : If a regular hexagon is inscribed in a circle of radius 6.72 centimeters, find the length of one side of the pentagon. How would I got about explaining this? Penny Nom lui répond.
	An octagonal deck		2006-10-29
		R.M. pose la question : I am building an octagon deck and I want to know what length to cut the outside boards.The overall is 12ft. wide. Penny Nom lui répond.
	Octagonal Stop Sign		2006-10-23
		Phil pose la question : My colleagues and I are in a discussion about how many true "sides" an octagonal stop sign has. I say that it has 10 true sides because of the front back sides of a stop sign (3D octagon). Is this correct terminology or should the front and back "sides" be referred to as faces -- equaling 2? Paul Betts, Steve La Rocque and Harley Weston lui répond.
	An octagonal room		2006-10-18
		Rick pose la question : I am a cabinetmaker, and I have a client who has an octagonal room which he would like to be used as a walk-in closet. Each side of the octagon is 60" in length. Each wall section is to have a 24" deep cabinet installed on it. I am trying to figure out the width of each cabinet allowing for a 3" space between cabinets at the front corner. Stephen La Rocque lui répond.
	I need to cut an octagon		2006-09-23
		Freddie pose la question : I have a 48 inch square piece of wood that I need to cut into an octagon, help. What's an easy way to just measure and cut it. Penny Nom lui répond.
	What is the diameter of the circle that contains this octagon?		2006-09-21
		Dave pose la question : if the distance between two parallel sides of an octagon is 350 cm, what is the diameter of the circle that contains this octagon (ie. a circle that touches all eight corners)? Stephen La Rocque lui répond.
	The area of an irregular octagon		2006-08-23
		Billy pose la question : How do you figure the area of an irregular octagon? Measurements are 4 equal sides of =BD", and 4 equal sides of =BE". It measures 1 1/2" = from flat to flat. Penny Nom lui répond.
	Building an octagon-shaped deck		2006-07-11
		Maurice pose la question : I'm a landscaper and one of my customers wants me to build her an octagon shaped deck in the back yard that has a measurement of 16 by 16. I'm not sure of the way to measure for materials required. It will be built with 2 by 6 lumber with a half inch spacing between the 2 by 6. Stephen La Rocque lui répond.
	An octagon shape flower bed		2006-06-24
		Brandy pose la question : hello my name is brandy my husband and I would like to build an octagon shape flower bed to put around the tree in the front yard we would hope to have the whole shape about 4 ft-5 ft around the tree. what would be the way to find out how to cut each side to that they fit together equally Penny Nom lui répond.
	A side segment of an octagon		2006-06-24
		Ed pose la question : I would like to know how to find a side segment of an octagon when I know that my octagon is 9 feet from side to side and top to bottom? Stephen La Rocque lui répond.
	Cutting an octagon from a square		2006-05-07
		Veronica pose la question : 1.A regular octagon is to be cut out of a square piece of metal which has sides of 1 metre. What will be the length of the sides of the octagon? 2.What will be the area of the octagon? Penny Nom lui répond.
	An octagon shaped soffit		2006-04-08
		Ken pose la question : I am trying to make an octagon shaped soffit in my ceiling and need help figuring how to divide the circle on the ceiling into an octagon- The circle is 7 foot in diameter. Penny Nom lui répond.
	Measuring an octagon		2006-01-26
		Travis pose la question : I am looking to do a project for work where I must find the radius of an octagon but I cannot directly measure it. I've found that on a regular hexagon I can find the radius by using the distance between the bolts to find the radius to the line connecting the bolts but also to the outside of a circle to cut it out. I do not understand however how this works for an octagon. What do I do to find the radius of an octagon with only the ability to measure the distance of the bolts? The center has a cutout in it and is mounted currently and I cannot get accurate measurements. Penny Nom lui répond.
	An irregular octagon		2006-01-20
		Robert pose la question : I am building a poker table which is in the shape of an irregular octagon. I know the table measures 72 inches long and 48 inches wide with two parallel straight sides of equal length and six smaller sides of equal length ( three at each end of the table), what I don't know are the lengths of the any of the sides. Harley Weston lui répond.
	The area of an octagon		2006-01-03
		Nikki pose la question : I want to figure out the square footage of an octagon. i have 8 panels that are 24" wide. Its for my dogs and i wanna know how much room they'll have. Penny Nom lui répond.
	The lengths of the sides of an octagon		2005-12-16
		Andrew pose la question : I need to find the length of the sides of an octagon with an area of 289 in2. Penny Nom lui répond.
	A regular octagon is inscribed in a circle		2005-12-13
		Carlin pose la question : A regular octagon is inscribed in a circle of radius 15.8 cm. What is the perimeter of the octagon? Penny Nom lui répond.
	The sides of an octagon		2005-11-02
		Royce pose la question : I understand there is a simple calculation to determine the sides of an octagon when you know the distance across the parallel flats. something like .447 . can you help? Penny Nom lui répond.
	Area of an octagon		2005-10-04
		AJ pose la question : I am working a project for my shop class and need to know the square footage for an octagon with equal 10foot sides. Penny Nom lui répond.
	The length of the side of an octagon		2005-09-22
		Billy pose la question : How can you find the length of the side of an octagon when all that you know are the long sides of one of the eight perfect isc. triangles inside the octagon that share the same center point? Penny Nom lui répond.
	Constructing figures		2005-09-20
		Kim pose la question : I would like to know how to draw different shapes: Regular Octagon with sides of length, 1 unit Equilateral Triangles, with sides of length 1 unit Regular Hexagons, with sides of length 1 unit Isoseles Triangles, with hypotenuse of length 1 unit Penny Nom lui répond.
	The area of an octagon		2005-08-21
		A student pose la question : Hi I am a ninth grade student trying to figure the area of an octagon with sides of 4 feet and another one with sides of 5 feet Penny Nom lui répond.
	An octagonal gazebo		2005-06-19
		Tucker pose la question : I want to build a gazebo that is a regular octagon 15 feet across. How do I figure the length of each side? Harley Weston lui répond.
	An octagonal deck		2005-06-07
		Scott pose la question : I want to build a octagonal deck. The wood I am using are cut in 8 foot lenghts. What I want to know is if the sides of the octagonal are 8 feet, what is the diameter. Also what are the angles of each side? Penny Nom lui répond.
	The area of an octagon		2005-05-21
		Jeremy pose la question : i need to find the area of an octagon with each side measuring 1 foot Penny Nom lui répond.
	An Octagon		2004-10-10
		A parent pose la question : I am trying to determine what the size of each triangle is of a 12 foot circle consisting of 8 triangles would be. I've gotten as far as the radius being 6 feet, but cannot figure the distance. Penny Nom lui répond.
	An Octagonal playhouse		2004-07-13
		Levi pose la question : I'm building an octagon playhouse for my son that is 8 feet wide. what would be the measurements of each of the eight sides. Harley Weston lui répond.
	A stained glass window		2004-03-29
		Kay pose la question : I'm doing a stain glass project and it's on a 4 foot across octagonal window...and I'm trying to set up the pattern and I don't know how long the sides are! Penny Nom lui répond.
	An octagon shaped bed frame		2003-11-23
		Trish pose la question : My son and I are making an octagon shaped bed frame. We are going nuts trying to figure out what angle to cut the boards to make an outline of an octagon. It seems that the 8 inside angles of the 8 "corners" are 120*, but what is the angle that the 2x6 wood should be cut so that they will angle together to form the outline of the octagon? Penny Nom lui répond.
	Diagonals in an octagon		2003-11-13
		Glenn pose la question : Question 1. What is the probability of choosing the longest diagonal in an octagon? Question 2. Probability of choosing the shortest? Andrei Volodin and Penny Nom lui répond.
	The side length of a regular octagon		2003-08-09
		Rich pose la question : If I know the distance between the parallel lines of an octagon and want to find the length of the sides, can I just divide that distance by 2.414 to reveal the length of the sides? I work construction and just curious if I am figuring it right. Penny Nom lui répond.
	Diagonals in an octagon		2003-08-04
		Amanda pose la question : How many diagonals are in an octagon??? What would be a drawing of those diagonals??? Penny Nom lui répond.
	An octagon of perimeter 1,000 meters		2002-11-05
		Stephen pose la question : my son has to work out the area of a octagon with a outside perimeter of 1,000 metres, Penny Nom lui répond.
	Un octogone		2002-05-21
		Yves pose la question : Si j'ai un octogone ayant 8 pieds de diamètre,comment fais t'on pour trouver la mesure de un de ces cotés et quel est cette grandeur. Claude Tardif lui répond.
	Area of an octagon		2002-04-01
		Someone pose la question : What is the actual square footage of a 12' octagon? Penny Nom lui répond.
	An octagon-shaped deck		2002-02-20
		An instructor pose la question : How can you solve for finding the side measurements of an octagon-shaped deck that is 10 feet long and 10 feet wide. Penny Nom lui répond.
	An octagon inscribed in a circle		2002-01-10
		Kent pose la question : A circle of 30 in. diameter has an octagon (8 equal chords) inscribed in it. What is the length of each chord? Chris Fisher lui répond.
	The sides of an octagon		2001-04-13
		Craig pose la question : How do I figure the length of the sides of an octagon when all I know is the diameter (4.375). Penny Nom lui répond.
	Side length of an octagon		2000-04-22
		Unknown pose la question : If I have an octagon that is 12 feet across (side to opposite side) how can I find the length of the sides? Harley Weston lui répond.

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