Type : Subjective
ΔABC and ΔPQR are two similar triangles such that the ratio of the areas of ΔABC and ΔPQR = 4:1. In ΔABC, sides AB = 41 cm , BC = 40 cm and CA = 9 cm. A measure of side QR (in cm) is:
Type in your answer as an integer. For example, if your answer is 20 cm, type in 20