Archimedean Solids
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(Uniform #2)
Truncated Tetrahedron
Vertices:
12 (12[3])
Faces:
8 (4 equilateral triangles + 4 regular hexagons)
Edges:
18
Symmetry:
Full Tetrahedral (Td)
Hexagon-Hexagon Angle:
acos(1/3)
≈70.528779366 degrees
Hexagon-Triangle Angle:
acos(−1/3)
≈109.471220634 degrees
Dual Solid:
Triakis Tetrahedron
(values below based on edge length = 1)
Circumscribed Radius:
sqrt(22)/4
≈1.1726039399558573886
Midscribed Radius:
3*sqrt(2)/4
≈1.0606601717798212866
Hexagon Center Radius:
sqrt(6)/4
≈0.612372435695794524549
Triangle Center Radius:
5*sqrt(6)/12
≈1.0206207261596575409
Volume:
23*sqrt(2)/12
≈2.7105759945484321769