alleryA regular octahedron has how many faces?
A20
B12
C8
D6
Answer & Solution
Correct answer: C. 8
1. The name octahedron comes from octa, meaning eight.
2. Its eight faces are all triangles.
3. A cube has 6, a dodecahedron 12 and an icosahedron 20 faces.
_Source: Wikipedia, Platonic solid (CC BY-SA 4.0), Platonic solid_
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