The number of diagonals in a hexagon is:
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. 9.
Number of diagonals in a polygon with n sides = [n(n – 3)]/2
For n = 6: Diagonals = [6(6 - 3)]/2 = (6 × 3)/2 = 18/2 = 9