SOLUTION: Ricardo wants to design a rectangular window whose perimeter is 84 inches. What dimensions will maximize the area?

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Question 287554: Ricardo wants to design a rectangular window whose perimeter is 84 inches. What dimensions will maximize the area?
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
84/4=21" each side.
a square has the largest area of any rectangle with the same perimeter.
.
Ed