# *Ellipse An ellipse is a closed curve like a circle. An ellipse may be drawn by choosing two points F1 and F2, each of which is a

*Ellipse

An ellipse is a closed curve like a circle. An ellipse may be drawn by choosing two points F1 and F2, each of which is a called a focus, and then drawing a curve through points for which the sum of the distances PF1 and PF2, respectively, is a constant.

If the center of ellipse is at point origin

Note if a = b, ellipse becomes a circle of radius a.

Area of ellipse = πab

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