The number of diagonals for an n sided polygon is

The number of diagonal for an n sided polygon with 10 sides is

The number of diagonals in a 27 - sided polygon is

Find the number of diagonals of an n - sided polygon. In particular, find the number of diagonals when. a) n = 10 b) n = 15

Write the number of diagonals of an n-sided polygon.

Write the number of diagonals of an n-sided polygon.

Number of diagonal of an n-sided polygon is__________

The number of diagonals of a convex polygon of sides n is equal to (n(n-3))/(2) . Find the number of diagonals is hexagon.