This document defines and describes different types of polygons. A polygon is a plane figure bounded by straight line segments. Specific polygons mentioned include equilateral polygons which have all equal sides, equiangular polygons which have all equal angles, and regular polygons which are both equilateral and equiangular. Examples of regular polygons given are triangles, quadrilateral, pentagons, hexagons, chiliagons, myriagons, and megagons.