Question

a polygon has 27 diagonals how many sides does it have solve with formula

Answer 1

$<h2 > hey there$



$\frac{n(n - 3)}{2} = 27$


$n {}^{2} - 3n = 54$


$n {}^{2} - 3n - 54 = 0$


$n {}^{2} - 9n + 6n - 54$




$n(n - 9) + 6(n - 9)$



$(n + 6)(n - 9)$


n = 9


Hope it helps you


$<marquee > prabhudutt$