Define the term Circle and Ellipse
Define the term Circle and Ellipse?
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The Circle is defined by its center xc, yc and its radius in the user coordinate units. The equation of the circle is as (x-xc) + (y-yc) = r2.
The ellipse can utilize the same parameters xc, yc , r as a circle, in adding up to the eccentricity e. The equation of an ellipse is as: (x-xc)2/a2 + (y-yc)2/b2 = 1
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