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Finding Area of a Rectangle by using the Rectangle Area Formula and Examples

In this article, you will learn what the area of a rectangle is. You will also learn the formula to calculate a rectangle's area.

What is the Area of a Rectangle?

The area of a rectangle is defined as the total space occupied by a rectangle shape. It measures the amount of space within a flat surface of a particular shape. It is measured in square inches, square centimetres, square feet, etc. A rectangle is a shape like a square but does not have all the same sides. It has a pair of sides of the same length. For example, the shape of a laptop, a book, or an android mobile. All these shapes are rectangular.

In geometry, the area of rectangle formula is an important formula that helps to find how much space a shape can occupy. It varies from shape to shape. This article will provide information about the rectangular formula and how it is calculated.

Area of Rectangle Formula

The rectangular area formula calculates the total space occupied by the rectangle. It can be calculated by multiplying the length and width of the rectangle together. If l is the length and w is the width of the rectangle, the formula for area of a rectangle is:

rectangle area formula

rectangle area formula


For example, if a rectangle has 3cm of width and 4cm length then the area will be 12 square centimetres.


How to Find Area of Rectangle?

The area of a rectangle can be calculated by using the area of rectangle formula. Consider a rectangle has l length and w width, the area of rectangle can be calculated as:

A = L * W

Here we will provide you information about finding area of a rectangle shape in a stepwise method. These are:

  • Measure the length of the rectangle.
  • Measure the width of the rectangle.
  • Put the length and width together in the formula for area of a rectangle.
  • Write the answer in the square of units involved i.e. if the length and width is taken in cm then area will be in cm2.

See the below examples of rectangle area to understand how the area of a rectangle is calculated.

How to find area of rectangle with examples

How to find area of rectangle with examples




What is the Formula for Area of a Rectangle?

The formula for the area of a rectangle is the product of its length and width.

A = L * W

What is the Area and Perimeter?

The perimeter is the distance around the outside of a shape while the area is the total space occupied within the shape.

Alan Walker

Last updated: November 11, 2023

Studies mathematics sciences, and Technology. Tech geek and a content writer. Wikipedia addict who wants to know everything. Loves traveling, nature, reading. Math and Technology have done their part, and now it's the time for us to get benefits.