The maximum area of rectangle with perimeter equal to 12 units will ve
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The units will be m――perimeter,m^2――area
now
perimeter=12x
2L +2B=12xL+B=12÷2
L+B=6x
Let the L be x then,
x+B=6x
b=6x-x
b=5x
area=L×B
=(x)×(5x)
=5x^2
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