Homework Help: geometry

Posted by Maddie on Tuesday, September 6, 2011 at 4:45pm.

If the length of a rectangle is twice its width, w, write an expression to represent the perimeter of the rectangle. If the perimeter of the rectangle is 72 inches, what is the length and width of the rectangle?

geometry - Ms. Sue, Tuesday, September 6, 2011 at 4:54pm
P = 2L + 2W

72 = 2(2W) + 2W

72 = 6W
12 = W

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