The diagram is a polygon. Find the largest of its interior angles

The diagram is a polygon. Find the largest of its interior angles

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