







A rope fom a dock to a boat 
20180314 

Tracey pose la question : A boat is tied with a rope to a dock that is 16 feet tall. Along, the water, the water the boat is 17 feet from the dock. How long is the rope connecting the boat to the dock? Let c represent the length of the rope.? Penny Nom lui répond. 





The Pythagorean Theorem 
20140330 

brenae pose la question : The Pythagorean Theorem, what is it? Penny Nom lui répond. 





The development of the Pythagorean theorem 
20110408 

Ataa pose la question : I am doing a assignment on Pythagorean Theorem and i am stuck on the subquestion
development of the Pythagorean theorem and i really need help can u give me accurate info
for this because i am not finding anything!!!thanks in advance.
Yours truly
AUMAKHAN Chris Fisher lui répond. 





Semicircles and the Pythagorean Theorem 
20110109 

Jas pose la question : Okay well, in math we are learning about the pythagorean theorem and we have to do a math journal on the question:
****Can you replace the squares (that are put on the sides of a right triangle) with semicircles and still get the same answer??
I do not understand because i tried doing an example and comparing it with a normal way of doing it and I didnt get the same answer! Penny Nom lui répond. 





The Pythagorean theorem 
20090624 

supreet pose la question : What are some realworld applications of the Pythagorean theorem?
and
How are the Pythagorean theorem and the distance formula related? Harley Weston lui répond. 





Ladder Leaning on a Wall 
20090514 

clinton pose la question : a ladder rests against a wall 24m high.the foot of the ladder is 7m from the foot of the wall. How do you calculate the length of the ladder Robert Dawson lui répond. 





The shadow of a tree 
20090420 

Lindsey pose la question : James found that a 30 ft. tree that cast a shadow of 40 ft. A wire from the top of the tree to the beginning of its shadow must be how long? Penny Nom lui répond. 





Consecutive Even Integer Sides of a Triangle 
20080924 

Brad pose la question : I am having a problem coming up with a formula for my son's eighth grade math problem.
We have found the answer by guess and check but have a mental block on the equation.
Any help would be appreciated.
The problem is: A right triangle has sides whose lengths in feet are consecutive even intergers. Determine the length of each side.
Thanks Janice Cotcher lui répond. 





The Pythagorean theorem with triangles rather than squares 
20080429 

Zachary pose la question : I need to figure out how to prove the pythagorean theoorem using equilateral triangles
instead of using square. I know that A^2+B^2=C^2, but how do you get that by using equilateral
triangles. I know the area of a triangle is BH1/2=Area. So what i need to know is how to derieve the
formula of a triangle to get the pythagorean theorem Penny Nom lui répond. 





Finding radius given chord length and distance to center 
20071004 

Venus pose la question : a chord of 48mm long is 7mm from the center of the circle. What is the radius of the circle? Stephen La Rocque lui répond. 





Find the area of a regular pentagon inscribed in a circle 
20070803 

Tracy pose la question : Can you please help me with finding the area of a regular pentagon inscribed in a circle using the Pythagorean theorem. The radius of the circle is 5 cm and each side AB = BC = CD = DE = EA = 6 cm. Stephen La Rocque, Leeanne Boehm and Chris Fisher lui répond. 





Using the Pythagorean Theorem 
20070618 

cynthia pose la question : Hi,
If I have a question with a right triangle and it asks....
If ABC is say 400 miles. How much shorter will the miles be if I travel
from BC?
I don't exactly remember the question but, I would I solve a problem
similiar to this one? Stephen La Rocque lui répond. 





The area of a pyramid 
20070428 

Alexander pose la question : Total area of the plate required to fabricate a vessel(pyramid) the base is 0.6mx0.6m and height of 1.0m. Stephen La Rocque lui répond. 





The Pythagorean theorem 
20070404 

Cassandra pose la question : how do u find a and/or b using the Pythagorean theorem of a right triangle? Leeanne Boehm lui répond. 





Finding the vertical height of a roof 
20070305 

Zainab pose la question : The question is: If the vertical height if a triangle is half the width of the base and the slant length is 6 metres, find the exact vertical height of this part of the roof. I'm actually confused about finding out the height of an equilateral triangle if you're only given the length or slant height. Please help! O.o Stephen La Rocque lui répond. 





The hypotenuse 
20061002 

Ashley pose la question : How do you find the hypotenuse of a right triangle? I don't understand how to find c. Stephen La Rocque lui répond. 





I need to cut an octagon 
20060923 

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. 





The length of 2 sides of a triangle 
20060915 

Lonnie pose la question : I need to know how to figure the length of 2 sides of a triangle, as the following example:
The length of the bottom is 12' and the angles are 45, 45 I need to know how long the other 2 sides must be to get an angle of 90 at the top. Stephen La Rocque lui répond. 





The Pythagorean relation 
20060509 

Vicky pose la question :
How do you the Pythagorean relation to find the length of the hypotenuse x to one decimal place?
x^{2} = 3.6^{2}+ 5.3^{2}
My teacher, Mr. Mutrie, wants to know what this means?
SOH CAH TOA
Harley Weston lui répond. 





Cutting an octagon from a square 
20060507 

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. 





Pythagorus and cone dimensions 
20060426 

Glynnis pose la question : How do you find the measure of a side that is not the hypotenuse using the Pythagorean Theorem? Also, how do you figure the surface area and volume of a cone when the radius is 5 yards and the height is 8 yards? Stephen La Rocque lui répond. 





The perimeter of a regular octagon 
20060420 

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 area of a block of land 
20060326 

Ronald pose la question :
I have a building block of land with four unequal sides and only one right angle. I want to know the total area (in metres) and how the calculations were carried out.
The four sides are: Rear of property: 9.14 metres
left side: 36.9 metres
Right side: 32.61 Metres
front to street: 27.43 Metres
The front to street and right side constitute a right angle. but there are no others. Penny Nom lui répond. 





A 25 foot ladder is leaning against a building. 
20060324 

Ali pose la question : A 25 foot ladder is leaning against a building. The base of the ladder is 7 feet from the building. How high up the building does the ladder reach? Stephen La Rocque lui répond. 





The third side of a triangle 
20060209 

Clayton pose la question : How do I find the length of the third side of a triangle if a=30m, b=30m and I need to find c? Steve La Rocque and Penny Nom lui répond. 





An irregular octagon 
20060120 

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 height of a triangle from the lengths of the sides 
20060116 

A student pose la question : How do you figure out the height of a triangle when all you have is the length of the sides of the triangle? Claude Tardif lui répond. 





The area of an octagon 
20060103 

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. 





Folding a sheet of paper 
20051215 

Victoria pose la question : The current problem is to take a normal 8 1/2 x 11 sheet of paper, take a corner and fold it to meet the opposite corner, and (without actually measuring) produce a formula to describe the result fold/crease. Penny Nom lui répond. 





The sides of an octagon 
20051102 

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. 





A cube in a sphere 
20051019 

Damian pose la question : A sphere passes through the eight corners of a cube side 10cm. Find the volume of the sphere. Penny Nom lui répond. 





A line that intersects a circle 
20051018 

Bruce pose la question : I would like to solve the following problem illustrated below. How do you calculate the length of a line that intersects a circle. Penny Nom lui répond. 





City A is 30 miles directly north of City C 
20051004 

A student pose la question : City A is 30 miles directly north of City C, and City B is 40 miles directly east of City C. Cities A and B are connected by a straight road. Find the length of the shortest path from City C to the road that connects A and B. Penny Nom lui répond. 





The area of a lot 
20050829 

Richard pose la question : My wife and I are interested in buying property in Idaho but the owner can't give us a square footage of the lot. The dimensions are as follows:
121.0 on the left side
157.0 on the right side
135.0 on the bottom
162.0 on the top
The bottom right corner of the lot is a true right angle, the rest are not. Penny Nom lui répond. 





Constructing a fence 
20050809 

Andres pose la question : I was constructing my fence and was having some problems trying to do a perfect (or as close as possible) arch. If i know a section of a fence is for example 85 inches wide and I want a 4 inch rise from the top rail how do i figure out the radius? Penny Nom lui répond. 





arccos(5/13) 
20050531 

Kyle pose la question : I would like to know how to evaluate the problem of: Arccos 5/13. Penny Nom lui répond. 





The area of an octagon 
20050521 

Jeremy pose la question : i need to find the area of an octagon with each side measuring 1 foot Penny Nom lui répond. 





A right triangle 
20050518 

Bill pose la question : If I know the base and the slanted side of a right triangle, how do I figure out the height? Penny Nom lui répond. 





Dimensions of a roof 
20050318 

A roofer? pose la question : A right triangle (roof of a house) has a base of 7 feet and a 22 degree angle. What is the height of the roof and what is the hypothenus of the triangle. Penny Nom lui répond. 





Practical applications: parabolas and Pythagoras 
20041024 

Connie pose la question : Provide two examples of real life objects that incorporate parabolic shapes. Explain the reason why the parabolic shape was used in each object.
I need at least one practical application of the Pythagorean Theorem. Penny Nom lui répond. 





Pythagoras in everyday life 
20041013 

Tiffany pose la question : I was wondering if you have any reallife uses of the pythagorean theorem that you use in your everyday life. Penny Nom lui répond. 





An Octagonal playhouse 
20040713 

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. 





The volume of a cube 
20031122 

A student pose la question : i have a cube, and the line that cuts threough the middle of the cube across to the other side is 4 radical6. what is the volume of the cube? Penny Nom lui répond. 





A rectangle on a disk 
20031029 

Arthur pose la question : How do I go about solving the following problem: What is the width of the largest rectangle with a length of 16 inches you can cut from a circular piece of cardboard having a 10 inch radius? Penny Nom lui répond. 





The general equation for a sphere 
20030911 

Jaidev pose la question : Is there any general equation for a sphere? Penny Nom lui répond. 





Two cars 
20030709 

Nicole pose la question : Two cars start off at the same point on a striaght highway facing opposite directions. Each car drives 6 miles, talkes a left turn, and drives for 8 miles. How far apart are the two cars. Penny Nom lui répond. 





The height of an equilateral triangle 
20030406 

Rosa pose la question : If Each side of an equilateral triangle is 10 m. What is the height? Penny Nom lui répond. 





A triangle and a circle 
20030321 

Jynks pose la question : We need a formula that we can use to figure this out for work. We aren't math wiz's or students. Basically we know 3 points in space of a triangle, we know the length of each side and the length of the line from apex to base line. Each point of the base line ends upon the circumference of a circle. IS three a way to work out the radius of that circle. Penny Nom lui répond. 





Pythagoras in three dimensions 
20021014 

Miki pose la question : A room is 6m long, 5m wide and 3 m high. Find the distance from the corner of the floor to the opposite corner of the celing. Peny Nom lui répond. 





Bob swam across a river 
20020522 

Torri pose la question : Bob swam across a river 420 ft wide. A strong current carried him 580ft downstream as he swam. Find x, the distance bob actually swam. Penny Nom lui répond. 





An octagonshaped deck 
20020220 

An instructor pose la question : How can you solve for finding the side measurements of an octagonshaped deck that is 10 feet long and 10 feet wide. Penny Nom lui répond. 





A clap of thunder 
20011115 

Frustrated Mom pose la question : While getting a recipe for the Thanksgiving feast. The teacher was talking on the phone with a friend who lives four miles north of her. She saw a flash of lightning through the window: fifteen seconds later, she heard a clap of thunder. Ten seconds after that she heard the thunder over the phone. Where did the lightning strike in relation to the teacher's house. (There are two possible answers. Sound travels about 1/5 mile per second. Some people say it's not good to be on the phone in a thunderstorm). Claude Tardif and Penny Nom lui répond. 





The hypotenuse of a right triangle 
20010122 

Phillipe pose la question : How do you find the hypotenuse of a right triangle? Penny Nom lui répond. 





The Pythagorean Theorem 
20010108 

Megan pose la question : Why the Pythagorean Theorem so important in our lives and what is it's history? Penny Nom lui répond. 





The pythagorean theorem in everyday life 
20010106 

Josh pose la question : What are some ways that we use the pythagorean theorem in jobs, or even in everyday life? Claude tardif lui répond. 





The pythagorean theorem 
20000519 

Lauren Fitzgerald pose la question : how do you find the length of th hipotnuse( or however you spell that word). i understand you have to add the two sides. but when i do add i always end up with this way off answer. i donot understand at all. Paul Betts lui répond. 





The area of a garden 
19991217 

Jessica Wells pose la question : Hi My name is Jessica Wells and I am 10 years old. I was hoping you could help me out wityh a question my dad gave me. It is if aq graden is 32cm in diameter and I want to know the area of it what process do I use? He's a math wiz so I need o show him that I'm smart too Penny Nom lui répond. 





Triangles, The Pythagorean Theorem and Pizzas. 
19970223 

Sherryle Mathis pose la question : I am a graduating senior presently teaching geometry as part of my student teaching. I will do my CUP on Right Triangles and Pythagorean theorem. I am looking for a fun activity as part of my unit plan. Walter Whiteley lui répond. 





An application of Pythagoras' theorem 
19960409 

Mike pose la question : We'd like to know what practical applications there may be for the Pythagorean theorem. Penny Nom and Maxine Stinka lui répond. 

