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ACT
ACT Math Section

Perimeter of a Rectangle

Easy Preparing For Higher Math Geometry

A rectangle has a width that is half its length. If the perimeter of the rectangle is 36 units, what is the length of the rectangle?

Recall the formula for the perimeter of a rectangle:

$$P = 2(L + W)$$

where $L$ is the length and $W$ is the width.

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