Given Length 15 cm. Here is an example of using the formula to calculate the area of a rectangle. The area of a rectangle is the space contained within its perimeter.
The formula for a rectangle is the length of the rectangle times its width.
Find the area of a rectangle if its length is 25 m and breadth is 10 m. 25 x 10 m 2 250 m 2. The formula for the area of a rectangle is width x height as seen in the figure below. This formula can be written as A L W or as A LW.