JAMB - Mathematics (1987 - No. 42)

In the diagram, POQ is a diameter, 0 is the centre of the circle and TP is a tangent. Find the value of x

30^o

40^o

45^o

50^o

Explanation

From the diagram, POQ is a diameter; o is the centre of the circle and TP is a tangent where RTP = 30^o

RTP = RQP = x(at circumference = made by tangent outside the circle) i.e x = 30^o

JAMB - Mathematics (1987 - No. 42)

Explanation

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