Definition:Ellipse

Parts of Ellipse

 * EllipseParts.png

Consider an ellipse $K$ whose foci are $F_1$ and $F_2$.

Also see

 * Equivalence of Definitions of Ellipse


 * Equation of Ellipse in Reduced Form


 * Definition:Circle
 * Definition:Parabola
 * Definition:Hyperbola

Linguistic Note
The word ellipse is pronounced with the stress on the second syllable: el-lipse.

Historical Note
The word ellipse was provided by, who did considerable work on establishing its properties.