Find the dimensions of a rectangle of greatest area which has a fixed perimeter p.
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Correct Answer: Option D
Explanation:
Let the rectangle be a square of sides p/4.
So that perimeter of square = 4p
4 x (p/4) = p.
Let the rectangle be a square of sides p/4.
So that perimeter of square = 4p
4 x (p/4) = p.