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Mathematics, 21.04.2021 04:50 mzrereday3151

7. ABCD is a rectangle. P, Q, R are points on AB, BC, CD respectively such that PQR is a right angle. Prove that BQ • QC = PB •CR. ​

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7. ABCD is a rectangle. P, Q, R are points on AB, BC, CD respectively such that PQR is a right angle...
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