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Jun 10, 2006 ... A hendecagon is an eleven-sided figure (undecagon is another word for this figure) Dodeca-, meaning 2+10, is used in describing any 12-sided figure thus dodecagon ...
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What is a Polygon? A closed plane figure made up of several line segments that are joined together. The sides do not cross each other. Exactly two sides meet at every vertex. ... 28 sided polygon - Icosikaioctagon...
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Introduction to figures and polygons. Brought to you by Math League Multimedia. ... A polygon is a closed figure made by joining line segments, where each line segment intersects exactly two others. ... A three-sided polygon. The sum of the angles of a triangle is 180 degrees.
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7-, 9-Sided Polygons [9/13/1996] What is the name of a 7-sided figure? a 9-sided figure? Is one of these ever called a septagon? If "septi" means seven, why is September the 9th month of the year? ... Eleven Sections of Fence [05/29/2003] I have a grid containing 16 squares. Each square represents 1 acre. I need to draw...
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A closed figure whose sides are line segments that intersect only at their endpoints. ... For example, an eleven sided polygon would be called an ; 11-gon and a twenty sided polygon would be called a ; 20-gon.
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11-sided is an undecagon ... 11 sided figure is called a Undecagon ... Or will I just have to be prosaic and say e.g. "an eleven sided polygon"? Any help much appreciated.
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There are lesson plans and information about any area of mathematics you can think of. Want to know what an eleven-sided figure is called? You can find it here. Want to know why a negative times a negative equals a positive?
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