A prism has 27 edges. Find the number of faces and vertices.

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A 11,18
B 18,11
C 10,18
D 10,9

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Answer: A. 11,18

In a prism the number of edges = 3n. If 3n=27, then n=9. To find the faces and vertices we need to add 2 with 9 to find the faces and multiply 2 with 9 to get the vertices. Hence, there are 11 faces and 18 vertices.

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A prism has 27 edges. Find the number of faces and vertices.

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