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The 5 are:

the tetrahedron, made up of four triangles

the hexahedron, made up of 6 squares (this solid is also known as the cube)

the octahedron, made up of 8 triangles

the dodecahedron, made up of 12 pentagons

the icosahedron, made up of 20 triangles

at each vertex on these solids, there are an equal number of faces meeting

they are all regular polyhedra

for each solid, the angles and sides are congruent

and if it wasn't obvious already, they were discovered by Plato

anything else?

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14y ago

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