A polygon with n sides has n*(n - 3)/2 diagonals.
So n = 23 gives 23*20/10 = 230 diagonals
Chat with our AI personalities
it has 19 sides (:
1/2*(n2-3n) = 665 diagonals where n means number of sides
340
It must have 19 sides to comply with the formula:- 0.5*(192-(3*19)) = 152 diagonals
No matter how many sides a convex polygon has, the sum of its exterior angles is 360°.