Question

Find the number of sides of a convex polygon if the measures of its interior angles have a sum of 3600º degrees

Select the appropriate response:

A) 22
B) 21
C) 20
D) 19

Answer 1

A) 22

Explanation:

Total interior angle:

(n - 2) × 180

(n - 2)×180 = 3600

n - 2 = 20

n = 22