The sum of the exterior of an n-sided convex polygon is h...
The sum of the exterior of an n-sided convex polygon is half the sum of its interior angle. find n
6
8
9
12
Correct answer is A
sum of exterior angles = 360o
Sum of interior angle = (n - 2) x 180
360 = 12 x(n - 2) x 180(90o)
360 = 12 x(n - 2) x 90o
36090 = a - 2
4 = n - 2
n = 4 + 2 = 6