Find the measure of an interior angle of a regular dodecagon(12-sided polygon). Hint: Sum = (n-2)180

Step-by-step explanation:
Sum of interior angles in a polygon = 180°(n - 2).
Size of interior angle in a regular polygon
= 180° - 360°/n
= 180° - 360°/12
= 180° - 30°
= 150°.