octagon
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Faces
RAINBOW!
A dodecahedron.A dodecahedron.A dodecahedron.A dodecahedron.
Imagine a pyramid, with a triangle shaped base, with three sides coming up each of which is a triangle. That is a tetrahedron (4 sides, all the same side, with each one the shape of a triangle). * * * * * Mostly correct, but the four faces need not all be the same.
each side is equal to each other side. all 3 sides have the same length