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Is it possible to design a rectangular park of perimeter 80 m and area 400 m2? If so, find its length and breadth. |
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Answer» let length=xm let breath=ym According to Question Perimeter=80m 2(x+y)=80 x+y=40 y=40-x area=400m xy=400 x(40-x)=400 `x^2-40x+400=0` Solving this x=20m putting this value in equation 1 y=20m |
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