How to Find the Perimeter of a Rectangle

Below is how to find the perimeter of a rectangle. When dealing with a rectangle in geometry, you will most likely be asked how to find the perimeter of a rectangle, how to find the minimum perimeter of a rectangle or how to find the area of a rectangle. Finding the perimeter of a rectangle is easy. There is even a very simple formula of how to find the perimeter of a rectangle. Examine the diagram of the rectangle below.

Illustration of how to find the perimeter of a rectangle

Perimeter Formula of rectangle

The formula for to find the area of a rectangle is simply the sum of all the sides. All the sides of the rectangle are marked (above). Suppose the rectangle has length given by L and width given by W. Then the perimeter (P) of the rectangle is given by the perimeter formula:

• Perimeter of a rectangle example