Question

Find the area of parallelogram ABCD if the area of the shaded triangle is 9 sq. cm.

Answer 1

I hope this helps. Let me know if you understood.

Answer 2

HI,

I hope this is a homework.

Explanation:

Area ABE=BE*AE/2 => 9=3*AE/2 => AE=9*2/3=6 (cm)

Area ABCD=BC*AE=(3+4)*6=42 (cm²)