Find the area of a parallelogram. Also find the length of the altitude from vertex A on the side DC.

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

Two cross roads, each of width 10 m, cut at right angles through the centre of a rectangular park of length 700 m and breadth 300 m and parallel to its sides. Find the area of the roads. Also find the area of the park excluding cross roads. Give the answer in hectares

Find the area of each of the following parallelograms:

Find the area of each of the following parallelograms:

Find the area of each of the following parallelograms:

Find the area of each of the following parallelograms:

The area of a square and a rectangle are equal. If the side of the square is 40 cm and the breadth of the rectangle is 25 cm, find the length of the rectangle. Also, find the perimeter of the rectangle.

Find the length of the side of a square whose area is 441 m^2 .

Find the length of the side of a square whose area is 2304 m^2 .

Find the area of a parallelogram whose adjacent sides are represented by the vectors 2hati-3hatk and 4hatj+2hatk .