What is the value of m in the diagram - WAEC Mathematics 2010 Question
What is the value of m in the diagram?
A
20o
B
30o
C
40o
D
50o
correct option: b
4m - 15o = m + 75o
(Vertically opposite angles are equal)
4m - m = 75 + 15
3m = 90
m = \(\frac{90}{3}\)
m = 30o
(Vertically opposite angles are equal)
4m - m = 75 + 15
3m = 90
m = \(\frac{90}{3}\)
m = 30o
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