1.

In figure, ΔABC ~ ΔDEF. AB = 5 cm, area (ΔABC) = 20 cm2, area (ΔDEF) = 45 cm2 then DE =(A) 2.0 cm (B) 4.5 cm (C) 7.5 cm (D) 9.5 cm

Answer»

Correct option is: (C) 7.5 cm



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