Is it possible to design a rectangular park of premier $80 m$ and area $400 m^{2}$ ?

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Solution

Let the length be $l$ and breadth be $b$ ,

Perimtre of rectangular park $= 2 (l + b) = 80 m$ …..(1)

And, area $= l \times b = 400 m^{2}$ ……..(2)

From (1) And (2),

$l = b = 20 m$ ,

Hence , it is possible to design a rectangular park.

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Is it possible to design a rectangular park of perimeter $80 m$ and area $400 m^{2}$ ? If so, find its length and breadth.

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