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23-10-2021
Mathematics

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the length of a rectangular field three times of it's breath.if the area of the field is 675 m2, find the perimeter

with full solution

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23-10-2021

L/W = 3/1 or L = 3*W

A = L*W = (3*W)*W = 3*W^2 = 675 m^2

W^2 = (675 m^2)/3 = 225 m^2

W = sqrt(225 m^2) = 15 m

L = 3*W = 3*(15 m) = 45 m

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