An arch is in the form of a semi-ellipse, with its major axis as the span. If the span is 80 feet and the height of the arch is 30 feet, write the standard equation for the semi-ellipse. x² + = 1 6400 900 1² + = 1 1600 900 2 X = 1 900 1600

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A: Here I am attaching image so that you understand each and every step.

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