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A Tour of the Platonic Solids

By , About.com Guide

The Tetrahedron
Tetrahedron

Tetrahedron

The tetrahedron is bounded by four equilateral triangles. The number of vertices is 3. The number of polygons meeting at a vertex is 3. The number of faces for the tetrahedron is 4. The the number of edges of the tetrahedron is 6. The the number of vertices of the tetrahedron is 4.

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