Find the value of x in the diagram

  • A 31o
  • B 35o
  • C 37o
  • D 41o
waec 2002mathematics

The correct answer is B. 35o

Sum of exterior angle of any polygon is 360o

(2x+5)o + 2xo + (x-20)o + xo + (3x+10)o + (x + 15)o = 360o; 10x = 350

x = 35

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