If the measure of the interior angle of a regular polygon is 120. then how many sides does it have?A6B8C9D10Answer: A. 6 Read Explanation: Interior angle of a regular polygon = (n - 2) 180/n 120 = (n - 2) 180/n 120n = 180n - 360 60n = 360 n = 360/60 = 6 Number of sides = 6Read more in App