4. A farmer wants to be sure to yield a crop of strawberries having an area of \( 160 m ^ { 2 } \) , in order to provide him with enough fruit to keep his stand replenished each day. He has to surround his crop with a short fence to keep out the rabbits. Determine the dimensions that will minimize the perimeter, and determine the minimum amount of fencing needed. (/3)

Pregunta

Answer

\(16\sqrt{10} \)

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