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If the side of a square increases by 10 find the increase in area will increase how much?
Answer :Let the side of square= aArea of square= s^2given that side of square is increased by 10%.area of new square = *1.1s) ^2=1.21^2total increase area= new square area-based of square= 1.21s^2-s^20.21s^2now percentage of increased area=*0.21s^2/s^2)*100=0.21/100=21%hence area of square will increase by 21%.Thanks
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