Asked by please help me out!!

A regular polygon has interior angles of 150∘. A,B,C,D are 4 consecutive points of this polygon. What is the measure (in degrees) of ∠ADC?
Answered by Steve
150n = 180(n-2)
n = 12

So, the figure is a 12-gon
That should get you started
Answered by Anonymous
30 degrees
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