Question

If an interior angle of a regular polygon measures 120°, how many sides does the polygon
have?

Answer 1

Explanation:

Interior angle = (n - 2)180/n

120 = (n - 2)180/n

120n = (n - 2)180

120n = 180n - 360

360= 180n - 120n

360 = 60n

n = 360/60

n = 6

The polygon as 6sides