ΔABC ~ ΔDEF and perimeters of ΔABC and ΔDEF are 30 cm and 18 cm respectively. If BC = 9 cm, then EF =…………
ΔABC ~ ΔDEF and perimeters of ΔABC and ΔDEF are 30 cm and 18 cm respectively. If BC = 9 cm, then EF =…………
(A) 6.3 cm
(B) 5.4 cm
(C) 7.2 cm
(D) 4.5 cm
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