Question

Sum of number of sides of polygon & diagonal of polygon

Answer 1

Step-by-step explanation:

HeY dear❤

Answer...

The number of diagonals in a polygon = n(n-3)/2, where n is the number of polygon sides. For a convex n-sided polygon, there are n vertices, and from each vertex you can draw n-3 diagonals,

so the total number of diagonals that can be drawn is n(n-3).

Hope it will be help ful for u❤❤

Answer 2

let number of sites is n then answer is n+n(n-3)/2

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