Topic: decagon list of topics
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21 items are filed under this topic.

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	Finding the area of a regular polygon		2007-05-04
		From Dana: 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? Answered by Stephen La Rocque.
	The volume of a decagonal prism		2011-05-29
		From Susan: How do you find the volume of a decagonal prism? Answered by Penny Nom.
	Hexadecagon		2009-09-20
		From Rick: Is there an easy way to figure the even side lengths of a Hexadecagon in layman's terms, so I know how long to cut the exterior support boards for my pool deck. The pool is a 16' diameter Hexadecagon and my Wife wants a 4' wide splash deck all the way around which would make the outside 24' in diameter. Answered by Chris Fisher and Harley Weston.
	A regular decagon is inscribed in a circle		2009-03-12
		From Renata: A regular decagon is inscribed in a circle of diameter 36 feet. Approximate the perimeter and area of the decagon. Answered by Robert Dawson.
	Area of a Decagon		2008-11-15
		From preethi: what is the formulae of decagon? Answered by Janice Cotcher.
	Hexadecagon		2008-07-09
		From Dave: I would like to know at what length and angle I would cut wood to make a Hexadecagon. Answered by Penny Nom.
	The diagonals of a hendecagon		2008-03-10
		From karan: How many diagonals does a hendecagon have? Answered by Penny Nom.
	A real life example of a decagon		2008-02-12
		From Htet: I have a math dictionary to complete by February 13, 2008, Wednesday, and I need to know what a real life example of a decagon can be. I need help on this! Answered by Penny Nom.
	The side of a decagon		2007-06-29
		From Dale: Mathematically how can you calculate the distance of each side of a decagon? I know the interior angles each measure 144 degrees. Given the length of the widest point is 10 feet. Answered by Harley Weston.
	Undecagon		2007-04-18
		From Kiara: What is the origin of the word undecagon? Answered by Stephen La Rocque.
	A 13 sided figure		2007-04-12
		From Kiara: I was wondering what you call a 13 sided figure. I'm in 6th grade and my teacher said i could get extra credit if I figure this out. Thanks a lot for your help.When I get extra credit I will be sure to mention you guys! Thanks! Answered by Stephen La Rocque.
	The area of a decagon		2007-02-28
		From heather: how do i find the apothem and area of a decagon that has a perimeter of 60? Answered by Penny Nom.
	10 friends run into each other at a bar		2006-08-19
		From Ken: 10 friends run into each other at a bar. We will name them A,B,C,D,E,F,G,H,I AND J. They all leave at the same time heading for seperate bars. However, A runs into B, C runs into D, E runs into F, G runs into H and I runs into J. These five groups leave again and the same thing keeps happening, but each time running in to someone they have not run into before. How many bars will it take, with each person meeting the others only once, until all of them have met each other again? Answered by Chris Fisher.
	The chord length of a polygon		2006-06-14
		From Krishna: I have to find out the chord length of a polygon - Tetradecagon ! The Radius of the Circle is 11.5 Cms. The Circle is intersepted by 14 arcs. Then how to find out the chord length? Answered by Stephen La Rocque.
	What is the measure of the interior angles of a decagon?		2006-05-10
		From Malissa: What is the measure of the interior angles of a decagon? And what is the measure of each interior angle of a regular decagon? Answered by Stephen La Rocque.
	The area of a regular decagon		2006-03-06
		From Ester: how do i find the area of a regular decagon with sides of length 6 cm and an apothem of 9.2 cm? Answered by Stephen La Rocque.
	What is the sum of the measures of the angles of a decagon?		2005-10-15
		From Dianna: What is the sum of the measures of the angles of a decagon? Answered by Penny Nom.
	Cubic yards of concrete		2004-09-29
		From Tanya: We are starting up a new business and for the business we will be required to order concrete for various shapes. Right now we have a job that requires a concrete slab that a decagon it is 140-3/4" from flat side to flat side, 74" from point to center and each flat side is 46" The pad should be 4" thick with 12"x12" continuous footing. Answered by Harley Weston.
	The sum of the areas of two regular decagons		2002-05-27
		From A parent: The sum of the areas of two regular decagons is 39 square inches, and their radii are in the ratio of 2:3. Find the area of the larger decagon. Answered by Paul Betts.
	Undecagon		2001-02-21
		From Karen: I need to know what kind of a polygon an undecagon is and how many sides it has. This is a problem in my math book. Answered by Penny Nom and Michael Tsatsomeros.
	Hendecagon		2000-10-09
		From Jillian: I need an example of a object that is in the shape of a hendecagon. I know what the shape is but I cannot come up with a real life example of an object that is this shape. Answered by Chris Fisher.

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