A Man Has A Rectangular Patio In His Garden. He Decides To Enlarge It By Increasing Both Length And Width By 10%.What Is The Percentage Increase In Ar

A man has a rectangular patio in his garden. He decides to enlarge it by increasing both length and width by 10%.what is the percentage increase in area?

  A=lw
A=(l+0.10l)(w+0.10w)
A=1.1l(1.1w)
A=1.21lw
therefore area has increased by 21% of the original one

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