alleryWhich of these solids has as many faces as vertices?
APentagonal prism
BHexagonal prism
CTriangular prism
DSquare pyramid
Answer & Solution
Correct answer: D. Square pyramid
1. Square pyramid: 5 faces and 5 vertices.
2. Triangular prism: 5 faces but 6 vertices.
3. Pentagonal prism: 7 faces but 10 vertices. Hexagonal prism: 8 faces but 12 vertices.
4. Only the square pyramid has equal counts.
_Source: Wikipedia, Square pyramid (CC BY-SA 4.0), Special cases_
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