determine the width of the following if perimeter is equal to 18 the length of rectangle is equal to 5
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area of a rectangle (A) is related to the length (L) and width (W) of its sides by the following relationship: A = L ⋅ W. If you know the width, it's easy to find the length by rearranging this equation to get L = A ÷ W. If you know the length and want the width, rearrange to get W = A ÷ L.
Example: The area of a rectangle is 20 square meters, and its width is 3 meters. How long is it?
Using the expression W = A ÷ L, you get W = 20 m2 ÷ 3 m = 6.67 meters.
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