Chat with our AI personalities
Suppose the polygon has n sides. Then n*(n-3)/2 = 54 or n*(n-3) = 108 and so, by inspection, n = 12 or you can multiply out the brackets and solve the quadratic equation in n.
It is abs(54 - 7*n) or |54 - 7*n|
n/27=2n/27*27=2*27n=54
n
9n - 9 = 45 9n = 45 + 9 = 54 n = 54 / 9 = 6