Sujet: equilateral triangle liste de sujets
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	An equilateral triangle		2019-04-10
		ethan pose la question : In equilateral triangle RST, R has coordinates (0, 0) and T has coordinates of (2a, 0). Find the coordinates of S in terms of a. Penny Nom lui répond.
	An equilateral triangle inscribed in a circle		2019-01-29
		Penny pose la question : What is the length of each side of the largest equilateral triangle that fits inside a 3 inch diameter circle? Penny Nom lui répond.
	An equilateral triangle inscribed in a circle		2017-09-15
		sumit pose la question : what is the area (in sq. unit) of an equilateral triangle inscribed in the circle x^2+y^2-4x-6y-23=0. Penny Nom lui répond.
	A circle inscribed in an equilateral triangle		2016-11-27
		jo pose la question : what is the radius of the inscribed circle of an equilateral triangle with altitude 12 units? Penny Nom lui répond.
	An equilateral triangle inscribed in a circle		2015-06-11
		Casey pose la question : I have an equilateral triangle inscribed in a circle - this triangle has been bisected to give me 2 right triangles. I know the length of the line bisecting the equilateral triangle is 36 inches. How do I figure out the circumference of the circle and the length of the sides of the equilateral triangle? Penny Nom lui répond.
	The height of an equilateral triangle		2015-03-12
		anna pose la question : I am anna and i am in 7th grade. i am trying to find the height of and equilateral triangle, all sides equaling 4 inches Penny Nom lui répond.
	An equilateral triangle inscribed in a circle		2013-01-17
		Nicole pose la question : How do you find the shaded region of a circle if an unshaded equilateral triangle in inscribed in it. The only other things I know about the problem are that the side lengths of the equilateral triangle are 14 inches. Penny Nom lui répond.
	The perimeter of an equilateral triangle		2012-12-14
		shreyaarora pose la question : if the area of on equilateral triangle is 24/3cm,then what is its perimeter Penny Nom lui répond.
	An equilateral triangle and a regular hexagon in a circle		2012-09-11
		Heidemarie pose la question : The vertices of an equilateral triangle with side length of 10 sqrt 3 cm lie on a circle. Find the side length of the regular hexagon whose vertices lie on the same circle. Penny Nom lui répond.
	A circle drawn around a equilateral triangle		2012-04-01
		BIMAL pose la question : what is the diameter of a circle drawn around a equilateral triangle of size 6 cm Penny Nom lui répond.
	Gravel, sand, cement and an equilateral triangle		2012-03-21
		saheed pose la question : how many tonnes of gravel and sand,bags of cements will be required to concrete 5feet depth/deep of 4feet equilateral triangle? Harley Weston lui répond.
	The height of an equilateral triangle		2012-02-29
		Carley pose la question : Hi my name is Carley. I am an 8th garder. What us the height of an equilateral triangle si the sides are 18 cm? Penny Nom lui répond.
	The sides of an equilateral triangle		2011-01-27
		Cristal pose la question : Hello :) How can i find the sides of an equilateral triangle when only given the height 10m? Penny Nom lui répond.
	The area of an equilateral triangle		2010-11-11
		ginny pose la question : If a equilateral triangle has side lengths of 41.33m how would i calculate the area? if i don't know the height of the triangle? thank you. Penny Nom lui répond.
	The vertices of an equilateral triangle		2010-02-19
		Emma pose la question : If two of the vertices of an equilateral triangle are (2,1) and (6,5), what are the two possible coordinates of the third side of the triangle? Answer in radical form. Tyler Wood lui répond.
	Solve for s		2009-08-12
		Michelle pose la question : My daughter and I are having trouble with this problem...All it says i solve thr formula for the indicated variable. Height of an Equilateral Triangle. Solve for s: H= square root of 3/2 * S Penny Nom lui répond.
	An equilateral triangle		2008-12-17
		lorraine pose la question : an equilateral triangle has side lenghts of10.the length of its altitude is? Penny lui répond.
	The height of an equilateral triangle		2008-11-06
		touqeer pose la question : My question is that how can we find the height of an equilateral triangle without using pythagoras theorem? Penny Nom lui répond.
	A geometric construction		2008-10-17
		M pose la question : Given any 3 parallel lines on a plane, how to construct an equilateral triangle with each vertex on each line? Chris Fisher lui répond.
	The perimeter of an equilateral triangle		2008-09-11
		Gerry pose la question : How can I find the perimeter (length of side) of an equilateral triangle if the only information I have is the altitude? Penny Nom lui répond.
	An equilateral triangle		2008-07-21
		Meagan pose la question : An equilateral triangle has vertices at (0,0) and (6,0) in a coordinate plane. What are the coordinates of the third vertex? You may want to sketch it out. Note: The sides of an equilateral triangle are identical in length. Harley Weston lui répond.
	Two triangles and a circle		2008-07-03
		Anita pose la question : An equilateral triangle with side of length 1 cm is inscribed in a circle. A second equilateral triangle is circumscribed about the circle with all sides tangent to the circle. Find the length of a side of the second triangle. Harley Weston lui répond.
	The Pythagorean theorem with triangles rather than squares		2008-04-29
		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.
	The area of an equilateral triangle		2008-03-16
		michael pose la question : my daughter has been given a task and I'm stuck too. if an area of an equilateral triangle = 85cm squared there are no other dimensions provided. how do I calculate the length of each side ? please Penny Nom lui répond.
	A 6 pointed star		2008-03-04
		Siddharth pose la question : When 2 congruent equilateral triangles share a common center, their union can be a star If their overlap is a regular hexagon with an area of 60, what is the area of one of the original equilateral triangles? a) 60 b) 70 c) 80 d)90 e)100 Stephen La Rocque lui répond.
	A proof in geometry		2008-02-27
		Kimberly pose la question : I'm trying to write a proof for the following: If all altitudes are equal in an equilateral triangle then all sides are equal. Stephen La Rocque and Penny Nom lui répond.
	Finding all the angles		2007-12-13
		Rajesh pose la question : An eqilateral triangle is drawn in a square with one of the side as its base and draw the lines from the other angular sides such that there are four triangles formed inside the square which includes the equilateral triangle.I want to know all the angles of all the triangles formed inside the square. Stephen La Rocque and Penny Nom lui répond.
	An equalateral triangle is 30 acres		2007-10-28
		mike pose la question : If the area of an equilateral triangle is 30 acres, what is the length of each side in feet or miles? Penny Nom and Victoria West lui répond.
	An equilateral triangle with height 2 inches		2007-10-23
		Christine pose la question : I'm doing an project in school about tessellations. But first, I have to construct an equilateral triangle with an altitude of exactly 2 inches. I know how to draw an equilateral triangle...but I don't know what I have to do in order for the triangle to have an altitude of 2 inches. Penny Nom lui répond.
	The area of equilateral triangle		2007-06-05
		solomon pose la question : describe the area of equilateral triangle in terms of its side? solve in two ways. Stephen La Rocque lui répond.
	Can the triangle be called both an acute triangle and an equilateral triangle?		2007-03-10
		Jane pose la question : If all sides of a triangle are the same length and all angles are 60 degrees, can the triangle be called both an acute triangle and an equilateral triangle? Walter Whiteley lui répond.
	Can an equilateral triangle have an obtuse angle?		2006-03-26
		Chris pose la question : Can an equilateral triangle have an obtuse angle? I'm thinking not, because all sides must be equal, but does that also imply that all angles are equal? Stephen La Rocque lui répond.
	Three towns are located at the vertices of an equilateral triangle		2006-03-20
		A student pose la question : three towns are located at the vertices of an equilateral triangle. The towns are 8, 5, and 3 miles, respectively, from a store. How far apart are the towns? Chris Fisher lui répond.
	An equilateral triangle and a regular hexagon		2006-02-28
		Trevor pose la question : An equilateral triangle and a regular hexagon have equal length perimeters. What is the ratio of their areas? Penny Nom and Stephen La Rocque lui répond.
	Napoleon's theorem		2004-02-27
		David pose la question : How do i prove this : For any triangle, if you make 3 equillateral triangles using the sides of the the original triangle, the central points of the 3 tringles another triangle that is equillateral.z Chris Fisher and Penny Nom lui répond.
	Area of an equilateral triangle		2003-11-25
		Jared pose la question : Can you help me understand why the area of a equilateral triangle is the square root of 3 divided by 4 times the lenght of the side squared? Penny Nom lui répond.
	The height of an equilateral triangle		2003-04-06
		Rosa pose la question : If Each side of an equilateral triangle is 10 m. What is the height? Penny Nom lui répond.
	An equilateral triangle		2003-03-17
		Shirley pose la question : An equilateral triangle is one in which all three sides are of equal length. If two vertices of an equilateral triangle are (0,4) and (0,0), find the third vertex. How many of these triangles are possible? Penny Nom lui répond.
	An equilateral triangle		2002-06-11
		Sarah pose la question : Hi. My name is Sarah. I'm a secondary student taking a Math 30C course by correspondence. The question has two parts. The first part is: Draw an equilateral triangle XYZ. Draw the altitude from X to YZ. Choose any point P inside the triangle or on the triangle. Draw perpendiculars from P to the sides of the triangle. The Second part is: Measure the altitude h and the 3 perpendiculars s, t, and u to the nearest mm. Repeat as many time as is necessary until you can state a generalization concerning h, s, t, and u. If you could help me, it would be greatly appreciated. Penny Nom lui répond.
	Constructing an equilateral triangle		2001-04-14
		Peggy pose la question : Please send directions to make an equilateral triangle in plane geometry. I want each student to draw two, cut them out, and place them together to form a Jewish Star. Penny Nom lui répond.
	An equilateral triangle in a circle		2000-03-11
		Michael Setlik pose la question : An equilateral triangle is drawn within a circle such that all three points of the triangle just touch the inside of the circle. Given the diameter of the cicle as six inches what is the length of the sides of the triangle? Harley Weston lui répond.
	Isosceles triangles		1999-10-12
		Amber pose la question : In defining the types of triangles, our class was stumped by a question asked by one of the student. Maybe you could help. The definition of an equilateral triangle is a triangle with three congruent sides. The definiton of an isosceles triangle is a triangle with at LEAST two congruent sides. The question is, if an isosceles triangle only requires at Least two of the sides to be congruent, could an equilateral triangle be called an isosceles triangle? Penny Nom, Walter Whiteley and Chris Fisher lui répond.
	An equilateral triangle on a square		1999-04-26
		Ed pose la question : My Grade 8 class and I were discussing the solution to the following problem: What is the area of the largest equilateral triangle that can be drawn on a 5 cm square. We used 5 cm as the base of our triangle and then drew the other two legs of 5 cm each to make the equilateral triangle. We then drew an altitude from the upper vertex to the base of the triangle. Using the law of Pythagoras with side a of 2.5 and side c of 5 we calculated side b to be 4.3 cm (the altitude). Therefore the area of the triangle would be 5 x 4.3 divided by 2 or 10.75 square cm. The answer key to this resource says I am wrong. What do you think? Have we interpreted the question incorrectly? Chris Fisher and Harley Weston lui répond.
	Area of a triangle.		1998-02-01
		Jodi Blucher pose la question : Is there a formula for the area of an equilateral triangle knowing the length of the sides? Chris Fisher and Harley Weston lui répond.

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