Polygon

This article has been identified as being in conservapedia and is therefore classified under the heading worthless. This assement was made by the Icewedge inquisition.
To go to a more factual encyclopedia go to wikipedia or even to uncyclopedia because even it has more content than CP.

Types, by number of sides.

1. There is no such mathematical entity as a one sided polygon in a plane. (For higher dimensional analogies, see Mobius strip and Klein bottle.)
2. As with the one-sided polygon, there is no such thing as a two-sided polygon. (This would be two overlapping line segments.)
3. Triangle - three sided, see isosceles triangle, equilateral triangle, right triangle
4. Quadrilateral - four sided, see also square, rectangle, rhombus, and trapezoid
5. Pentagon - five sided. The most famous one houses the Department of Defense.
6. Hexagon - six sided, the shape of a bee hive cell, also used in some board games
7. Heptagon - seven sided. Some coins have been been heptagonal.
8. Octagon - eight sided, used for stop signs in the U.S.