Mathematics

Calculate the value of x in the diagram above

Calculate the value of x in the diagram above

  • A.
    18o
  • B.
    30o
  • C.
    40o
  • D.
    60o
  • E.
    15°
Correct Answer: Option E
Explanation

vertically opposite angles are equal, hence

3x + 6x + 3x = 180°

12x = 180°

x = 15°