2 years ago

The width of a rectangle is 1/3 its length, l .

1 answer:

5 0

The correct expression for perimeter is 2(l+1/3l). If you solve this for 56; 2(l+1/3l) = 56. You find that l = 21. If l = 21, then the width is 7, and Area = l * w, so the area of the rectangle is 147 square inches.

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