Octagon
From the Simple English Wikipedia, the free encyclopedia that anyone can change
An Octagon is a shape. It has 8 sides and 8 vertices (corners).
[change] Regular Octagons
A regular octagon has all eight sides the same length and each side is 135° and all the angles added together equals 1080°.
[change] See Also
[change] Gallery
 In most countries, the stop sign is in the shape of a octagon. |
 An eight-sided star, commonly called a octagram has one regular octagon inside it. |
 The octagonal prism has 2 octagons in it: one on the top, and the other on the bottom. |
 A brown octagon on a white background. |
