A semielliptical arch supports a bridge that spans a river 20 yards wide. The center of
Chapter 7, Problem 12(choose chapter or problem)
A semielliptical arch supports a bridge that spans a river 20 yards wide. The center of the arch is 6 yards above the river's center. Write an equation for t he ellipse so that the x-axis coincides with the water level and the y-a.xis passes through the center of the arch. Yd 0yd
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