2001
Mathematics
JAMB
Find the dimensions of a rectangle of greatest area which has a fixed perimeter p.
A.
square of sides p
B.
square of sides 2p
C.
square of sides (p/2)
D.
square of sides (p/4)
Correct Answer: square of sides (p/4)
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.THIS WEEK's
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