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



In the diagram, POQ is a diameter, 0 is the centre of the circle and TP is a tangent. Find the value of x
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  • A 30o
  • B 40o
  • C 45o
  • D 50o
Correct Answer: Option A
Explanation:
From the diagram, POQ is a diameter; o is the centre of the circle and TP is a tangent where RTP = 30o

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

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