What is the value of m in the diagram?
...What is the value of m in the diagram?
20o
30o
40o
50o
Correct answer is B
4m - 15o = m + 75o
(Vertically opposite angles are equal)
4m - m = 75 + 15
3m = 90
m = \(\frac{90}{3}\)
m = 30o
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