the length and breadth of a rectangle are increased by 10%and 15% respectively.the increase in the area of the resulting rectangle will be…?
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The length and breadth of a rectangle are increased by 10% and 15% respectively. Again, the new length is decreased by 20%. Now the new length is 0.88l and the new width is 1.15w. Therefore the net increase in area is 1.2%.
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