Cool math .com - Polyhedra - Truncated Tetrahedron

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Truncated Tetrahedron
Properties of the truncated tetrahedron: Number of faces, edges and dihedral angle measure

The truncated tetrahedron is created by truncating (cutting off) the tips of the tetrahedron one third of the way into each edge

truncated tetrahedron

8 total faces:
4 equilateral triangles and 4 regular hexagons

12 vertices:
2 hexagons and 1 triangle

18 edges

Dihedral angles:
70 degrees, 32 minutes for the hex-hex angle,
109 degrees, 28 minutes for the hex-tri angle

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