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Solve the formula for the perimeter of a rectangle

Solve the formula for the perimeter of a rectangle-example-1
User Schlangi
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1 Answer

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P = 2l + 2w
P - 2w = 2l
(P - 2w)/2 = 2l/2
(P - 2w)/2 = l.

L = (P - 2w)/2.

I believe B is the correct solution.
User Kalem
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