If the perimeter of rectangle is 140 cm and breadth of it is 3/4 of its length .what is the area of the rectangle
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length is l
breadth is (3/4)l
perimeter is 2(l+b)=2(l+(3/4)l)=2(1.75l)=3.5l=140
l=140/3.5
40
area of rectangle is l*b=40*(3/4)*40
=1200
breadth is (3/4)l
perimeter is 2(l+b)=2(l+(3/4)l)=2(1.75l)=3.5l=140
l=140/3.5
40
area of rectangle is l*b=40*(3/4)*40
=1200
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4
1200
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