In a Pentagonal Pyramid E + 2 = ……………… A) 6 B) 9 C) 18� – InterviewSolution

InterviewSolution

1.

In a Pentagonal Pyramid E + 2 = ……………… A) 6 B) 9 C) 18 D) 12

Answer»

Correct option is (D) 12

In a pentagonal pyramid,

Number of Vertices (V) = 6

Number of faces is F = 6

By Euler's formula, we know that

F + V - E = 2

\(\Rightarrow\) E + 2 = F + V

= 6+6 = 12

Correct option is D) 12

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