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 In-Radius |
= |
 (50 – 225)
|
Edge Inter-Radius |
= |
3 – 5
|
Edge Circum-Radius |
= |
5 – 13
|
See Also: Rhombic Dodecahedron.