Find the value of m in the diagram

  • A 72\(^o\)
  • B 68\(^o\)
  • C 44\(^o\)
  • D 34\(^o\)
waec 2017mathematics

The correct answer is C. 44\(^o\)

2x + m = 180

x + m = 112

x = 122 - m

2(112 - m) + m = 180

224 - 2m + m = 180

224 - m = 180

224 - 180 = m

m = 44\(^o\)

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