Question

An exterior angle of a regular polygon measures 30 degrees. What is the measure of an interior angle?

30
60
120
150

Answer 1

both exterior and interior angles add up to 180

so interior angle = 180 - 30 = 150

Explanation:

hope this helps

Answer 2

the exterior and interior angles add up to 180
so interior angle = 180 - 30 = 150