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

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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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