Question

no. of diagonals in a hexagon

Answer 1

Number of diagonals of a n-sided polygon is n(n-3)/2

Hexagon has 6 sides.

So number of diagonals in a hexagon =6(6-3)/2=6*3/2=18/2=9 diagonals

Answer 2

n(n-3)/2 Is the diagonal of n sided polygon


6(6-3)/2 Is the no. Of diagonals of hexagon

= 18/2

= 9