Q17. In the given figure, PQR is a triangle right angled at Q and XY || QR . If PQ = 6 cm, PY = 4 c

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In the given figure, PQR is a triangle right angled at Q and XY || QR . If PQ = 6 cm, PY = 4 cm and PX : XQ =1: 2. 17. The length of PR will be

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