Q36 of 168 Page 4

. such that ar () = 4 ar (). If BC =12 cm, then QR =

Given ar (ΔABC) ~ ar (PQR) such that ar (ΔABC) = 4 ar (ΔPQR) and BC = 12 cm


We know that ratio of areas of two similar triangles is equal to the ratio of squares of their corresponding sides.






∴ QR = 6 cm

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