On increasing each side of a square by 25 percentage then the incease in area will be
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let the side be x
then,
area=x^2
new area=(125x/100)^2
=(5x/4)^2
=25x^2/16
increase % of area=25x^2/16-x^×100
then,
area=x^2
new area=(125x/100)^2
=(5x/4)^2
=25x^2/16
increase % of area=25x^2/16-x^×100
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