Short Answer

Calculating Dimensions for Interior Layouts

An interior designer is determining the length of a rectangular area for a custom-sized rug. The designer has 48 feet of binding tape for the total perimeter (P) and knows the rug must have a width (W) of 9 feet. To begin calculating the unknown length (L), what is the standard geometric formula for the perimeter of a rectangle that relates these three variables?

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Updated 2026-04-18

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