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5 Platonic Solids - Numberphile

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Published on Nov 6, 2012

Why are there just five platonic solids (and what are platonic solids!?)
More links & stuff in full description below ↓↓↓

The solids are the tetrahedron, hexahedron (cube), octahedron, icosahedron and dodecahedron.

Featuring Katie Steckles and James Grime - https://twitter.com/stecks and https://twitter.com/jamesgrime

Our thanks to the kind people at Polydron for giving Katie some pentagons - http://www.polydron.com/

NUMBERPHILE
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Videos by Brady Haran

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