Question

span >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`

A (a)
B (b)
C (c)
D (d)
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