[" The number of diagonals in an "n" sided "],[" polygon is "]

The number of diagonals for an n sided polygon is

The number of diagonals in a 27 - sided polygon is

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

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

Number of diagonals in a 30 sided convex polygon will be-

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

Number of diagonal of an n-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