
Ellipse - Wikipedia
In mathematics, an ellipse is a plane curve surrounding two focal points, such that for all points on the curve, the sum of both distances to the two focal points is a constant. It generalizes a circle, which is …
Ellipse | Definition, Properties & Equations | Britannica
Dec 24, 2025 · Ellipse, a closed curve, the intersection of a right circular cone (see cone) and a plane that is not parallel to the base, the axis, or an element of the cone.
Ellipse - Equation, Formula, Properties, Graphing - Cuemath
An ellipse is the locus of a point whose sum of distances from two fixed points is a constant. Its equation is of the form x^2/a^2 + y^2/b^2 = 1, where 'a' is the length of the semi-major axis and 'b' is the length …
Ellipse - Math is Fun
An ellipse usually looks like a squashed circle ... F is a focus, G is a focus, and together they are called foci. (pronounced fo-sigh)
Ellipse -- from Wolfram MathWorld
Dec 22, 2025 · The ellipse is a conic section and a Lissajous curve. An ellipse can be specified in the Wolfram Language using Circle [x, y, a, b]. If the endpoints of a segment are moved along two …
ELLIPSE Definition & Meaning - Merriam-Webster
A closed curve consisting of points whose distances from each of two fixed points (foci) all add up to the same value is an ellipse. The midpoint between the foci is the center.
Ellipse | Brilliant Math & Science Wiki
An ellipse is a conic section, that resembles an oval, but is formally characterized by the following property: there exist two points ...
12.1: The Ellipse - Mathematics LibreTexts
Apr 27, 2025 · The key features of the ellipse are its center, vertices, co-vertices, foci, and lengths and positions of the major and minor axes. Just as with other equations, we can identify all of these …
Ellipse – Definition, Parts, Equation, and Diagrams
Aug 3, 2023 · An ellipse is a closed curved plane formed by a point moving so that the sum of its distance from the two fixed or focal points is always constant. It is formed around two focal points, …
The Ellipse | Algebra and Trigonometry - Lumen Learning
This section focuses on the four variations of the standard form of the equation for the ellipse. An ellipse is the set of all points (x, y) in a plane such that the sum of their distances from two fixed points is a …