In Fig. 9.35, find the area of parallelogram ABCD if the area of shaded triangle is `9 cm^2`.

In Fig. 9.25, area of parallelogram BCEF is _______ cm^2 where ACDF is a rectangle.

In Fig. 9.29 ratio of the area of triangle ABC to the area of triangle ACD is the same as the ratio of base BC of triangle ABC to the base CD of triangle ACD.

In the adjoining figure, find the area of the parallelogram ABCD.

Area of parallelogram ABCD (Fig. 9.16) is not equal to

In the given figure, if the area of parallelogram ABCD is 40 cm^(2) , find the area of parallelogram ABEF

Find the area of a parallelogram shaped shaded region of Fig. 9.13. Also, find the area of each triangle. What is the ratio of area of shaded portion to the remaining area of rectangle?

If the area of a parallelogram ABCD is 30cm^(2) ,then the length of altitude AQ is

In the given figure, M and N are the mid-points of the sides DC and AB respectively of the parallelogram ABCD. If the area of parallelogram is 48 cm^(2) (i) State the area of Delta BEC (ii) Name the parallelogram which is equal in area to the triangle BEC.