By A Mystery Man Writer
File:Complex polygon 4-4-2-stereographic3.png - Wikipedia
Weakly simple polygon - Wikipedia
upload.wikimedia.org/wikipedia/commons/thumb/0/03/
Polygon triangulation - Wikipedia
Polygon with holes - Wikipedia
File:M-polygon.svg - Wikipedia
Heptagon - Wikipedia
Rhombicosidodecahedron - Wikipedia
Star-shaped polygon - Wikipedia
Pick's theorem - Wikipedia
File:Complex polygon.svg - Simple English Wikipedia, the free
File:Complex polygon 3-4-2-stereographic2.png - Wikipedia
Polygon mesh - Wikipedia
Polygon - Wikipedia
Polygon Triangulation With Hole