C-14-Q070mediumsingle_mcq△ABC∼△DEF\triangle ABC\sim\triangle DEF△ABC∼△DEF এবং BCBCBC ও EFEFEF অনুরূপ বাহু হলে—a△ABC△DEF=BC2EF2\dfrac{\triangle ABC}{\triangle DEF}=\dfrac{BC^2}{EF^2}△DEF△ABC=