In the diagram, PQR is a circle with center O. If ∠ OPQ = 48°,
MATHEMATICS
WAEC 2020
In the diagram, PQR is a circle with center O. If∠OPQ = 48°, find the value of M.
- A. 96\(^o\)
- B. 90\(^o\)
- C. 68\(^o\)
- D. 42\(^o\)
Correct Answer: A. 96\(^o\)
Explanation
< O\(Q\)P = 48\(^o\) (base angles of isoceles \(\triangle\))
m = 48\(^o\) + 48\(^o\) = 96\(^o\) (exterior angle of a \(\triangle\))
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