In geometry, a dodecahedron is any polyhedron with twelve flat faces. The most familiar dodecahedron is the regular dodecahedron, which is a Platonic solid.
Length of edge (a): 1.00
Volume: (15+7×√5)/4 × a³ = 7.66
Surface area: 3×√(25+10×√5) × a² = 20.64
Number of vertices: 20
Number of edges: 30
Number of faces: 12
Base shape: Pentagon
Shapes with similar faces: Pentagonal pyramid, Pentagonal prism
