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Question

A truncated tetrahedron has_______________.

A
12 vertices
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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
A 12 vertices
C 18 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.
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