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Circle with centre O touches the sides of the triangle at P, Q and R, `AB=AC`,`AQ=4` centimetres and `CQ=6` centimetres.What is the radius of the circle?
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Circle with centre O touches the sides of the triangle at P, Q and R, AB=AC , AQ=4 centimetres and CQ=6 centimetres. What is the length of CP? .

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