In the figure, the area of rectangle EFGH is 3 units greater than the area of rectangle ABCD. What is the value of ab if `a +b = 8` ?

What is the area of rectangle ABCD?

In the figure, the area of rectangle ABCD is 45. what is the area of the square EFGH?

In the figure the area of triangle APB is 25 square centimetres. What is the area of triangle ABC ? What is the area of rectangle ABCD?

In the figure, ABCD is a rectangle, and the area of quadrilateral AFCE is equal to the area of Delta ABC . What is the value of x?

Area of rectangle= ________sq. units.

In the figure, the area of parallelograms EBFD and AECF are 3 and 2, respectively. What is the area of rectangle ABCD?

A rectangle is divided into 16 sub-rectangles as in the figure, the number in each sub rectangle represents the are of that sub-rectangle. What is the area of the rectangle KLMS ?