WAEC - Mathematics (1992 - No. 20) | ExamPlay

WAEC - Mathematics (1992 - No. 20)

In the diagram above, O is the center of the circle and ∠POR = 126°. Find ∠PQR

234^o

117^o

72^o

63^o

54^o

Explanation

Reflex < POR = 360° - 126° = 234°

\(\therefore\) < PQR = \(\frac{1}{2} \times 234°\)

= 117°

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