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The angles marked in the figure are measured in degrees. Find x.

The angles marked in the figure are measured in degrees. Find x.
  • A.
    45o
  • B.
    90o
  • C.
    60o
  • D.
    15o
  • E.
    30o
Correct Answer: Option E
Explanation

Sum of external angles = 360o
3x + 5x + x + 2x + x = 360o
12x = 360o
x = 30o