Question

the sum of the interior Angles of a polygon is 1980° find the number of sides of the polygon​

Answer 1

Answer:

The polygon has 13 sides

Step-by-step explanation:

S = (n-2) * 180

S = 1980

1980 = (n-2) * 180

n-2 = 1980/180

n-2 = 11

n = 11 + 2

n = 13