Among all rectangles that have a perimeter of 84, find the dimensions of the one whose area is largest. Write your answers as fractions reduced to lowest terms.
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Among all rectangles that have a perimeter of 84, find the dimensions of the one whose area is largest. Write your answers as fractions reduced to lowest terms.
The rectangle that has the highest ratio of area to perimeter is a square.
Therefore, when its perimeter is 84, the sides of that square are 21x21.
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