Solved: A rain gutter is made from sheets of aluminum that
Chapter 11, Problem 11.1.362(choose chapter or problem)
A rain gutter is made from sheets of aluminum that are 20 inches wide by turning up the edges to form right angles. Determine the depth of the gutter that will maximize its cross-sectional area and allow the greatest amount of water to flow. What is the maximum cross-sectional area?
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