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In the figure below, RP and RQ are tangents to the circle centre O, radius r cm. OQ produced meets PR produced at T. QT...

      

In the figure below, RP and RQ are tangents to the circle centre O, radius r cm. OQ produced meets PR produced at T. QT = 12cm and QR = 5cm Calculate the radius of the circle.
pic27820191612.png

  

Answers


sharon
182 + v2 = (12 + r)2
180 = 24r
R = 7.5cm
sharon kalunda answered the question on August 27, 2019 at 13:15


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