Question 1171195
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See the lesson

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=https://www.algebra.com/algebra/homework/quadratic/lessons/A-farmer-planning-to-fence-a-rectangular-area-along-the-river--to-enclose-the-maximal-area.lesson>A farmer planning to fence a rectangular area along the river to enclose the maximal area</A>

in this site.



A &nbsp;TWIN &nbsp;problem was solved there - it is your &nbsp;TEMPLATE.


Read this lesson attentively, &nbsp;and then solve your problem in the same way.


The answer is &nbsp;500 ft &nbsp;along the river and &nbsp;250 ft &nbsp;perpendicularly to it.



At the end of this lesson, &nbsp;you will find the links to many other associated lessons on finding minimum/maximum.


Do not miss them.


It is interesting reading &nbsp;(my gift to you (!) ) &nbsp;to make your horizon wider (!)