If a line l intersect two concentric circles at P, Q, R and S, then state whether PQ = RS is true.
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Draw OM perpendicular to PS.The perpendicular drawn from the centre to a chord bisects the chord.So OP-OQ=OS-OR.So PQ=RS
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Step-by-step explanation:
line l intersect two concentric circles at P, Q, R and S, then state whether PQ = RS is true.
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