3. In the figure, ABCD is a parallelogram, E is the intersection of its diagonals, and BF is perpendicular to AC. Given that BF = 3
cm, DE = 5 cm and CF = 6 cm, find the area of the
parallelogram ABCD. (6)
I​

fgdfc1    2   03.03.2021 08:25    4