Question

The sum of the measures of the interior angles of a convex polygon is 3060º. How many sides does the polygon have?

A. 17
B. 15
C. 19
D. 18

Answer 1

Sun of angles of a polygon is given by 90(2n - 4)
90(2n - 4) = 3060
2n - 4 = 3060/90 = 34
2n = 34 + 4 = 38
n = 38/2 = 19

Therefore, the polygon has 19 sides.