Step-by-step Answer
PAGE: 651SET: ExercisesPROBLEM: 69
Please look in your text book for this problem Statement

The arch is in the shape of semi ellipse.

Observe the diagram:

The major axis length is .


The length of semi minor axis is .

The major axis of ellipse along the -axis.

Consider the center at origin.

The standard form of horizontal ellipse center is at origin is .

Substitute and in .


The equation of the ellipse is .

The equation of the ellipse is .


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