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A bridge is to be built in the shape of a semi-elliptical arch and is to have a span of 96 feet.The height of the

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A bridge is to be built in the shape of a semi-elliptical arch and is to have a span of 96 feet.The height of the arch at a distance of 15 feet from the center is to be 9 feet. What will bethe height of the arch at its center? Give your answer to 2 decimal places.4feet

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