An (\(n - 2)^2\) sided figure has n diagonals. Find the number n diagonals for a 25-sided figure

A.

7

B.

8

C.

9

D.

10

View answer & explanation

Correct answer is A

(n-2)\(^2\)=25

n - 2 = 5

n = 5 + 2 = 7

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