Question: A rectangular bird sanctuary with one side along a straight river is to be constructed so that it contains 450 km of area. Find the

A rectangular bird sanctuary with one side along a straight river is to be constructed so that it contains 450 km of area. Find the dimensions of the rectangle to minimize the amount of fence necessary to enclose the remaining three sides. (Give your answer as a whole or exact number.) length of fencing perpendicular to the riverbank: km length of fencing parallel to the riverbank: km

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