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Ellipses
Ellipse definition and properties
Major / Minor Axis of an ellipse
Semi-major / Semi-minor Axis of an ellipse
Area of an ellipse
Foci (focus points) of an ellipse
Perimeter (circumference) of an ellipse
Tangent to an ellipse
Optical properties of Elliptical Mirrors
General Equation of an Ellipse
Parametric Equation of an Ellipse
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