Question

2. The measure of an interior angle of a regular polygon is 160 degrees. Find the number of sides in the

polygon

Answer 1

18 sides

Explanation:

(N x 180) - 360 = 160N

180N -360 = 160N

20N = 360

N = 18

Proof:

(18 x 180) -360 = 2880 total degrees

2880/18 sides = 160°