A 12-sided regular polygon; the angle included between the 12 equal sides is 115 degrees.

Einstein 1921 by F Schmutzer
Unfortunately, Albert Einstien is confused. If you don't want to get confused add more information to Math Geek Net by not making it a stub by expanding Dodecagon.

List of Polygonal and Polyhedral Articles

Polygon Articles Polygon Nonagon Hexagon Polyhedron Articles: Icosahedron Nonahedron Hexahedron Cuboctahedron

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