D, E, F are midpoints of sides AB, BC and CA of ∆ABC, if ar(∆ABC) = 64 cm2 then, area of ∆BDE is:
12 cm2
16 cm2
32 cm2
8 cm2
If D, E and F are respectively the midpoints of sides AB, BC and CA of ΔABC then what is the ratio of the areas of ΔDEF and ΔABC?