Question

12. ABCD and BCFE are parallelograms. If area
of triangle EBC = 480 cm^2, AB = 30 cm and
BC = 40 cm; Calculate:--
(i) area of parallelogram ABCD;
(ii) area of the parallelogram BCFE;
(iii) length of altitude from A on CD;
(iv) area of triangle ECF.​

Answer 1

Answer:

This is the answer.

I think this answer will help you.

And 3rd bit l am not understand.