About 475,000 results
Open links in new tab
  1. 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 …

  2. 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 …

  3. Ellipse | Definition, Properties & Equations | Britannica

    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.

  4. 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)

  5. Ellipse -- from Wolfram MathWorld

    Dec 3, 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 …

  6. 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 …

  7. 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.

  8. 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 ...

  9. 10.1: The Ellipse - Mathematics LibreTexts

    Jan 2, 2021 · The longer axis is called the major axis, and the shorter axis is called the minor axis. Each endpoint of the major axis is the vertex of the ellipse (plural: vertices), and each endpoint …

  10. Ellipse - Math.net

    Mathematically, an ellipse is a 2D closed curve where the sum of the distances between any point on it and two fixed points, called the focus points (foci for plural) is the same.