A tangent PQ at a point p of a circle of radius 5 cm meets a line through the centre O at a point Q so that OQ=12cm.length PQ is :. (A)12cm. (B)13cm. (C)8.5cm. (D)√119cm
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A tangent PQ at a point P of a circle of radius 5 cm meets a line through the centre O at
a point Q so that OQ = 12 cm. Length PQ is:
(A) 12 cm (B) 13 cm (C) 8.5 cm (D)root of 119 cm.
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