SOLUTION: How do you find the dimensions of a rectangle of greatest area that can be roped off with 120 yards of rope?

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Question 457804: How do you find the dimensions of a rectangle of greatest area that can be roped off with 120 yards of rope?
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
The maximum area of a rectangle with fixed perimeter is a square (this can be proved using multiple ways, including quadratic equations, calculus, or AM-GM inequality).

Given this, we can deduce that the dimensions are 30 yd by 30 yd (since the perimeter is 120 yd).