Tuesday
October 21, 2014

Homework Help: Trig

Posted by Stacey grahaM on Sunday, May 2, 2010 at 4:53pm.

A railroad tunnel is shaped like semi-ellipse. The height of the tunnel at the center is 69 ft and the vertical clearance must be 23 ft at a point 16ft from the center. Find an equation for the ellipse.

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