The maximum area of a rectangle with perimeter equal to 12 units will be
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Answer:
Perimeter = 12
2(l+b)=12
l+b=12/2
l+b=6
When l=1,b=5 area=lb=5
When l=2,b=4 area=lb=8
When l=3,b=3 area=lb=9
When l=4,b=2 area=lb=8
When l=5,b=1 area=lb=5
Therefore maximum area the rectangle can have is 9 sq. unit
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