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B
8 faces
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C
18 edges
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D
3 hexagonal faces
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Solution
The correct options are A12 vertices C18 edges It has 4 regular hexagonal faces, 4 equilateral
triangle faces, 12 vertices and 18 edges (of two types). It can be
constructed by truncating all 4 vertices of a regular tetrahedron at one third of the original edge length.