Find the value of m in the diagram
MATHEMATICS
WAEC 2017
Find the value of m in the diagram
- A. 72°
- B. 68°
- C. 44°
- D. 34°
Correct Answer: C. 44°
Explanation
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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