High Quality Content by WIKIPEDIA articles! In geometry, an anthropomorphic polygon is a simple polygon with precisely two ears and one mouth. A polygon that is not simple is called self-intersecting by geometers and complex by computer graphics programmers (in geometry, a complex polygon is something different). Such a polygon does not necessarily have a well-defined inside and outside. Simple polygons are also called Jordan polygons, because the Jordan curve theorem can be used to prove that such a polygon divides the plane into two regions, the region inside it and the region outside it. A simple polygon in the plane is topologically equivalent to a circle and its interior is topologically equivalent to a disk.

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