Each face has three edges.
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A tetrahedron has four sides (Faces).
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Five sides.
A tetrahedron has 4 faces and 4 vertices.A tetrahedron has 4 faces and 4 vertices.A tetrahedron has 4 faces and 4 vertices.A tetrahedron has 4 faces and 4 vertices.
Tetrahedron in geogmetry is composed of four triangular faces, three of which meet at each vertex.