The length of arectangle is halved while its breadth is tripled what is precentage change in area
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let, length of the rectangle, l
halved it length l/2
breadth be, b
tripled it breadth=3b
area of recatngle =lb
=l/2×3b
=3lb/2.
percentage =({3lb/2}/100)×lb
=150×l^2×b^32
15 percentage
there fore percebtage is 15 percentage
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