# Pre-Algebra Examples

The perimeter of a rectangle is equal to the sum of all sides of the rectangle.

Substitute the values of the length and width into the formula for the perimeter of a rectangle.

Multiply by .

Multiply by .

Add and .

The perimeter of a rectangle is equal to the sum of all sides of the rectangle.

Substitute the values of the length and width into the formula for the perimeter of a rectangle.

Multiply by .

Multiply by .

Add and .

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