5 Platonic Solids

There are 5 recognized Platonic Solids
tetrahedron, octahedron, icosahedron, cube, and a dodecahedron
A platonic solid satisfy these three characteristics
All faces are regular polygons
All faces are congruent
All corners are congruent

A cube has 3 squares at each corner and 6 square faces

A tetrahedron has 3 triangles at each corner and 4 triangle faces

An octahedron has 4 equilateral triangles at each corner and 8 triangle faces

Icosahedron . has 5 triangles at each vertex and 20 triangle faces

Dodecahedron has 3 5 sided polygons at each vertex and 12 faces


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Platonic Solids Numberphile
https://www.youtube.com/watch?v=gVzu1_12FUc

The Platonic Solids
https://www.youtube.com/watch?v=voUVDAgFtho

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