polyhedra.org

Tetrahedron

   
3-d model: rotate with arrow keys
The Tetrahedron has 4 vertices, 4 faces and 6 edges. (The Tetrahedron is the only polyhedron in our database with 4 faces.) The Tetrahedron contains 4 triangles. The dual of the Tetrahedron is the tetrahedron.

cube

 

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