JAMB - Mathematics (1987 - No. 28)

Two chords QR and NP of a circle intersect inside the circle at x. If RQP = 37o, RQN = 49o and QPN = 35o, find PRQ
35o
37o
49o
59o

Explanation

In PNO, ONP

= 180 - (35 + 86)

= 180 - 121

= 59°

PRQ = QNP = 59°(angles in the same segment of a circle are equal)

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