Question

. In the given figure, the area of ll gm ABCD is 90 cm
State giving reasons :
(i) ar ( || gm ABEF)
(ii) ar (AABD)
(iii) ar (ABEF).​

Answer 1

i) ABEF is actually a rectangle and every parallelogram is also a rectangle. It's length and height is same as ABCD. So it's area is same as ABCD=90 cm^2.

ii) mistake in the question

iii) same as i)