The Dodecahedron

A polyhedron bounded by twelve regular pentagonal faces; three meeting at each vertex.

The dodecahedron is one of the five platonic solids.

Vertex
Symbol
Wythoff
Symbol
No. of
Vertices
No. of
Edges
No. of
Faces
Symmetry
Group
Dual Polyhedron
53 3 | 2 5 12 30 20 A5×C2 Icosahedron

Edge ratios:

where `e` is the edge length, `r` is the in-radius, `rho` is the inter-radius, and `R` is the circum-radius.

See Also: Rhombic Dodecahedron.