How many diagonals are there in a nonagon?
24
16
18
27
The number of diagonals that can be drawn in an `n' sided polygon is n(n−3)2
n = 9
Number of diagonals is 27
How many diagonals are there in an octagon ?
How many diagonals are there in a polygon of 16 sides.
How many diagonals are there in a triangle?