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Let A, B, C be points on circle O such that AB is a diameter, and CO is perpendicular to AB. Let P be a point on OA, and let line CP intersect the circle again at Q. If OP = 20 and PQ = 8, find r^2, where r is the radius of the circle.

 

 Aug 1, 2021
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https://web2.0calc.com/questions/let-a-b-c-be-points-on-circle-o-such-that-ab-is-a-diameter#r2

 Aug 2, 2021

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