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Question
In the figure, point Q is the
point of contact. If PQ = 12,
PR = 8 then find PS.
Solution
In figure, PQ = 12, PR = 8
PQ2 = PR × PS ............ (Tangent secant theorem)
∴ 122 = 8 × PS
∴ 144 = 8 × PS
∴ PS = `144/8`
∴ PS = 18
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