Platonic Solids
Regular Polyhedra

The solids which have faces that are all congruent regular polygons and which has dihedral angles that are all congruent.

There are only five possible shapes for a regular polyhedron: regular tetrahedron, cube, octahedron, dodecahedron, and icosahedron.

Tetrahedron	Cube	Octahedron	Dodecahedron	Icosahedron
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