Question

In: Math

A farmer has 80 meters of fence to make an enclosure for his cows. The enclosure...

A farmer has 80 meters of fence to make an enclosure for his cows.
The enclosure is divided into 2 sections by a fence parallel to one of the sides, as in
the drawing below. One section is shaped like a half-hoop and the other is shaped
rectangular. Find the dimensions that maximize the total area of ​​the enclosure.

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