A farmer has 120 meters of fencing to construct a rectangular pasture along a…

MATHEMATICS · Subjective · AP · Calculus AB · Analytical Applications of Differentiation · Analytical Applications of Differentiation

Problem

A farmer has 120 meters of fencing to construct a rectangular pasture along a straight river, so that no fencing is needed along the side bordering the water. Determine the width (perpendicular to the river) that maximizes the enclosed area. Give your answer in meters.

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