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30-04-2017
Mathematics

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The area of a rectangular field is 10092 sq meter. its length is three times as its width .Find it's perimeter

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30-04-2017

let the width be x
if width =x
length =3x
area=10092
area=length x width
10092=3x x x
10092=3x²
10092/3=x²
3364=x²
√3364=√x²
x=58
width=58m
length=58x3
   =174m
perimeter =2(L+W)
      =2(174+58)
      =2 x 232
      =464m

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