Question

Question 18

Fill in the blank to make the statement true.

The number of diagonals in a hexagon is____________.

Answer 1

A hexagon is a six-sided polygon.

Number of sides in hexagon (n) = 6

$\therefore$ Number of diagonals = $\frac{n(n-3)}{2}=\frac{6(6-3)}{2}=9$