Regular dodecahedron

Regular dodecahedron
Type	Platonic solid Truncated trapezohedron Goldberg polyhedron
Faces	12 regular pentagons
Edges	30
Vertices	20
Symmetry group	icosahedral symmetry ${\displaystyle \mathrm {I} _{\mathrm {h} }}$
Dihedral angle (degrees)	116.57°
Properties	convex, regular
Net

A regular dodecahedron or pentagonal dodecahedron is a dodecahedron that is regular, which is composed of 12 regular pentagonal faces, three meeting at each vertex. It is one of the five Platonic solids. It has 12 faces, 20 vertices, and 30 edges. It is represented by the Schläfli symbol {5,3}.