Question
In the following figure PR || AB, PQ || BC and QR
|| CA then relation between AC and QR is ? (a) `AC = 1/2QR` (b) `2AC^2 = QR^2` (c) `AC = BQ.QR` (d) `AC.QR = 1`Solution
PR || AB and PQ || BC PCBA is a parallelogram so, ACRB and CBQA also parallelogram CA = RB and CA = BQ AC = QR
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