Definition of

Platonic Solids

Platonic Solids
There are five Platonic Solids.

Each one is a polyhedron (a solid with flat faces).

They are special because every face is a regular polygon of the same size and shape.

Example: each face of the cube is a square.

They are also convex (no "dents" or indentations in them).

They are named after Plato, a famous Greek philosopher and mathematician.

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