# Word Problem : Minimizing Fencing

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The math department is planning to build a park for calculus students along the riverbank. The park is to be rectangular with an area of 512 square yards and is to be fenced off on the three sides not adjacent to the river (draw a picture).

a.) What is the least amount of fencing required for this job?

b.) How long and wide should the park be for the fencing to be minimized?

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#### Solution Summary

A minimum value is found using a derivative.

$2.49