A n-gon has 377 diagonals. Find the value of n.
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N(n-3)/2 = 377
=> n^2 -3n -754 = 0
=> n^2 - 29x + 26x - 754 = 0
=> n(n-29) + 26(x-29)=0
=> (n+26)(n-29) =0
=> n = 29 or -26
No. Of sides is not negative
So 29 is answer
=> n^2 -3n -754 = 0
=> n^2 - 29x + 26x - 754 = 0
=> n(n-29) + 26(x-29)=0
=> (n+26)(n-29) =0
=> n = 29 or -26
No. Of sides is not negative
So 29 is answer
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