Dodecagon is a regular polygon with twelve edges, for use with polytope functions.

Heptagon is a regular polygon with seven edges, for use with polytope functions.

Hexagon is a regular polygon with six edges, for use with polytope functions.

InscribedRadius[polygon] gives the radius of an inscribed circle of polygon polygon, when the edges of polygon have unit length.

Nonagon is a regular polygon with nine edges, for use with polytope functions.

NumberOfEdges[polytope] gives the number of edges of polytope.

NumberOfFaces[polytope] gives the number of faces of polytope.

NumberOfVertices[polytope] gives the number of vertices of polytope.

Octagon is a regular polygon with eight edges, for use with polytope functions.

Pentagon is a regular polygon with five edges, for use with polytope functions.