ofD E and F are respectiveD.are respectively the mid-points of the sid – InterviewSolution

1.	ofD E and F are respectiveD.are respectively the mid-points of the sides BC, CA and AB of a Δ ABC.show thatBDEF is a parallelogram.(11) ar (DEF) =ar (ABC)4ii) ar(BDEF)=-ar (ABC)(
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