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  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 circle, which is …

  2. Ellipse - Equation, Formula, Properties, Graphing - Cuemath

    Here we shall aim at knowing the definition of an ellipse, the derivation of the equation of an ellipse, and the different standard forms of equations of the ellipse. What is an Ellipse? In mathematics, an …

  3. 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)

  4. 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.

  5. 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.

  6. 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 two …

  7. 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, …

  8. 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 of the …

  9. 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 ...

  10. Ellipse in Maths – Definition, Equation, Properties & Examples

    What Is Ellipse? An ellipse is a special curved shape that looks like a stretched circle or oval. In mathematics, an ellipse is defined as the set of all points in a plane such that the sum of their …