If the area of the rectangle is

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let the width of the rectangle be x meters, this means the length of the rectangle is 4x meters

area is given by length multiplied by width, therefore 4XxX=196

4X^2=196

X^2=49

X=7 ; This means the width of the rectangle is 7m while the length is 28m.

perimeter of a rectangle is given by sum of the four sides of the rectangle, therefore

perimeter= 7+28+7+28

perimeter=70 meters

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