PLS HELP!!! When x and y are integers, find their respective values when an n-sided polygon has a total of 
n(n-y) diagonals.
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When x and y are integers, find their respective values when an n-sided polygon has a total of \frac{1}{x} n(n-y) diagonals.
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A polygon of n -sides has 1/2n(n-3)
diagonals.
So,1/x× n× ( n-3)=1/2 n ( n-3).
So, equating both
we get x=2 and y=3.
Hope it helps
diagonals.
So,1/x× n× ( n-3)=1/2 n ( n-3).
So, equating both
we get x=2 and y=3.
Hope it helps
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