alleryCounting all edges of a triangular prism gives how many?
A12
B8
C6
D9
Answer & Solution
Correct answer: D. 9
1. The prism has two triangular ends with 3 edges each, which is 6 edges.
2. Three more edges join the two triangles.
3. So 6 + 3 = 9 edges.
_Source: Wikipedia, Triangular prism (CC BY-SA 4.0), Special cases_
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