alleryA triangular prism has two triangular ends. How many corners in all?
A6
B9
C5
D8
Answer & Solution
Correct answer: A. 6
1. Each triangular end has 3 corners.
2. There are two ends, so 3 + 3 = 6 vertices.
3. Nine is the edge count and 5 is the face count.
_Source: Wikipedia, Triangular prism (CC BY-SA 4.0), Special cases_
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