Posted by **Austin** on Sunday, August 12, 2012 at 10:59am.

The perimeter of a rectangle equals the sum of the lengths of its four sides. If the width of a rectangle is 4 inches and its perimeter is 36 inches, find the length of the rectangle.

The length of the rectangle is ?

My answer was 144, is this correct?

- Algebra 1 -
**Bosnian**, Sunday, August 12, 2012 at 12:29pm
P = Perimeter

W = Width

L = Length

P = 2 W + 2 L

36 = 2 * 4 + 2 L

36 = 8 + 2 L Subtract 8 to both sides

36 - 8 = 8 + 2 L - 8

28 = 2 L Divide both sides by 2

28 / 2 = 2 L / 2

14 = L

L = 14 in

- Algebra 1 -
**Karen**, Saturday, October 13, 2012 at 2:45pm
never mind -worked it out!!

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