C-14-Q066mediumsingle_mcqFor △ABC∼△DEF\triangle ABC \sim \triangle DEF△ABC∼△DEF with ∠A=∠D\angle A = \angle D∠A=∠D, ∠B=∠E\angle B = \angle E∠B=∠E, ∠C=∠F\angle C = \angle F∠C=∠F —aABDE=ACDF=BCEF\dfrac{AB}{DE} = \dfrac{AC}{DF} = \dfrac{BC}{EF}DEAB=