## Basic Geometry : How to find the perimeter of a rectangle

To find the perimeter of a;square we use; Perimeter = Length x 4. To find the perimeter of a rectangle, we use; Perimeter = ( 2 x Length ) + ( 2 x Width ) To find the perimeter of a circle

## Calculating the area and the perimeter

Perimeter = a + b + c. Square. Perimeter = 4 × a. a = length of side. Rectangle. Perimeter = 2 × (a + b)

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## How to Calculate Perimeters: Part 1

The formula used to find the perimeter of a rectangle is P = 2 * (l + w) In the above formulas, A stands for “area,” P stands for “perimeter,” l refers to the length of the rectangle

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## What is Perimeter? How to work out Perimeter of a Square

We can calculate the perimeter of any polygon (2D shape) by adding together the lengths of all the sides. For example, calculate the perimeter of the triangle. All measurements are in cm.

## Calculating the Perimeter of Rectangles (Sample Questions)

The formula for the perimeter of a rectangle is (width + height) x 2, as seen in the figure below: You need two measurements for a rectangle - width and length. Make sure both are in the
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