A bridge is to be built in the shape of a semielliptical arch and is to have a span of
Chapter 8, Problem 66(choose chapter or problem)
A bridge is to be built in the shape of a semielliptical arch and is to have a span of 120 feet. The height of the arch at a distance of 40 feet from the center is to be 8 feet. Find the height of the arch at its center.
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