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If the length of a rectangle is increased by30% and its width decreased by 30%, howmuch percent will its area change. |
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Answer» ans:4%suppose the length of the rectangle is :100the breadth of the rectangle is :100actual length is 30% increased=100+30=130actual breadth is 20% decreased=100-20=80area of rectangle is =(130*80)/100=4% length & breath =100; 130 of length:; breadth-20/100-20=80, ; Area of rectangle = (130×80)/100=4•/° |
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