Coordinate geometry › Parabolas, ellipses and hyperbolas

Parabola: focus and directrix

More in Parabolas, ellipses and hyperbolas

Arches Area of an ellipse Areas on a parabola Chords of an ellipse Eccentricity Ellipse: foci and directrix Extremes on conics Hyperbola: asymptotes Hyperbola: foci Intersections of conics Largest triangle in an ellipse Midpoints of chords Products of distances along chords Tangents to an ellipse