16m 20 m

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter4: Polynomials
Section4.9: Area Problems
Problem 1P
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Semielliptical Arch Bridge An arch in the shape of the
upper half of an ellipse is used to support a bridge that is to
span a river 20 meters wide. The center of the arch is 6 meters
above the center of the river. See the figure. Write an equation
for the ellipse in which the x-axis coincides with the water
level and the y-axis passes through the center of the arch.

16m
20 m
Transcribed Image Text:16m 20 m
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