In order to calculate the area of a rectangle it is necessary that length and breadth should be known. How to Find the Area of a Rectangle. Area of a rectangle formula The formula for the area of a rectangle is width x height as seen in the figure below.
Write down the formula for the area of a rectangle A l x w.
We have Area formula A length x width 15 x 6 90 m 2. Lets look at an example. There are various ways of measuring the size of the objects. To find the area of a square multiply the length of one side by itself.