erianac247 erianac247

30-09-2018
Mathematics

contestada

The formula for the perimeter of a rectangle can be written as P= 2(l+w). Solve the formula for the length l.

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sqdancefan sqdancefan

03-10-2018

Undo what is done to l. l has w added and the sum multiplied by 2, so divide by 2 and subtract w:

... l = P/2 -w

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