Given a triangle ABC and E is mid point of median AD of ∆ABC. If ar(∆BED) = 20 cm2, then ar(∆ABC) is:

Given a triangle ABC and E is mid point of median AD of ∆ABC. If ar(

1.	Given a triangle ABC and E is mid point of median AD of ∆ABC. If ar(∆BED) = 20 cm2, then ar(∆ABC) is:
Answer» Given a triangle ABC and E is mid point of median AD of ∆ABC. If ar(∆BED) = 20 cm², then ar(∆ABC) is: