How many diagonals are there in pentagon?(a) 5 (b) 7 (c) 6 (d) 10 – InterviewSolution

1.

How many diagonals are there in pentagon?(a) 5 (b) 7 (c) 6 (d) 10

Answer»

(a) 5

Explanation:

We know that to calculate number of diagonals in pentagon is

n × (n -3)/2

But here n=5

5 × (5-3)/2 =5

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