A Tour of the Platonic Solids
By Deb Russell, About.com
The dodecahedron is bounded by twelve equilateral pentagons. The number of vertices is 5. The number of polygons meeting at a vertex is 3. The number of faces for the dodecahedron is 12. The the number of edges of the dodecahedron is 30. The the number of vertices of the dodecahedron is 20.
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- A Tutorial on the Platonic Solids
- The Tetrahedron
- The Hexahedron
- The Octahedron
- The Dodecahedron
- The Icosahedron
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