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Mathematics (Syllabus D) · Oct / Nov 2020 · Paper 12 · Question 23

4024

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NOT TO SCALE Q T R O P x 6 4 In the diagram, the circles with centres O and Q touch at P where OPQ is a straight line. The line ORT intersects the smaller circle at R and is a tangent to the larger circle at T. OR = 4 cm and RT = 6 cm. The radius of the larger circle is x cm. Calculate the value of x. x = [4] 2 1 e o

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