How to Calculate the Perimeter of a Rectangle | Methods and Formulas

Rectangle Perimeter

The perimeter of a rectangle is the total distance around its outer boundary

The perimeter of a rectangle is the total distance around its outer boundary. It can be calculated by adding up the lengths of all its sides.

For a rectangle, there are two pairs of equal sides. Let’s assume the length of one pair of opposite sides is denoted by “l” and the length of the other pair is denoted by “w”.

To find the perimeter, you need to add the lengths of all four sides. Since there are two pairs of equal sides, you can either add the length of one pair twice or add the lengths of all four sides separately. Both methods will give you the same result.

Method 1: Adding one pair twice
Perimeter = 2l + 2w

Method 2: Adding all four sides separately
Perimeter = l + w + l + w

Either way, the result will give you the perimeter of the rectangle.

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