Question: How high is the arch of Problem 43 at a distance 2 feet to the right of the center? In Problem 43 A doorway in

How high is the arch of Problem 43 at a distance 2 feet to the right of the center?
In Problem 43
A doorway in the shape of an elliptical arch (a half-ellipse) is 10 feet wide and 4 feet high at the center. A box 2 feet high is to be pushed through the doorway. How wide can the box be?

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