37 Maths -- Geometry: Circle

In triangle PBR, PA = AB and PB is perpendicular to BR. If O is the centre of circle and r is radius then prove that: PQ.PR = 8r2

In triangle PBR, PA = AB and PB is perpendicular to BR. If O is the centre of circle and r is radius then prove that: PQ.PR = 8r²

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