Correct Answer: Option D

Explanation

Sum of interior angles = 360²

i.e 3x + 2x + 2x + x + 4x = 360^o

12x = 360

x = \(\frac{360}{12}\)

x = 30^o

x + c = 180

30^o + c = 180

c = 180 - 30

c = 150^o

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