Question 828191
I = 180(n-2)/n


177.6 = 180(n-2)/n


177.6n = 180(n-2)


177.6n = 180n-360


177.6n-180n = -360


-2.4n = -360


n = -360/(-2.4)


n = 150


There are 150 sides (and 150 angles) in this polygon.