write the sequence of the number of diagonals in a quadrilateral, pentagon, hexagon etc what is its algebra

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dear student

$n o o f d i a g o n a l s i n p o l y g o n o f s i d e " n " i s = \frac{n (n - 3)}{2}$

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write the sequence of the number of diagonals in a quadrilateral, pentagon, hexagon etc what is its algebra

dear student no of diagonals in polygon of side "n" is=n(n-3)2

dear student

$n o o f d i a g o n a l s i n p o l y g o n o f s i d e " n " i s = \frac{n (n - 3)}{2}$