File:Ellipse Properties.svg

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Ellipse_Properties.svg‎ (SVG file, nominally 400 × 260 pixels, file size: 30 KB)

Description
English: A diagram showing some basic properties of an ellipse, including
  • The distance to a focus, F, from the centre C, is the eccentricity, e multiplied by the semimajor axis, a.
  • The distance from one focus to the other via any point on the ellipse, P, is always 2a.
  • The distance from a point, P, on the ellipse to a focus is always proportional to the distance to a vertical line, D, called the directrix. The constant of proportionality is the eccentricity, e.
  • The eccentricity is always between 0 and 1. At zero, the ellispe becomes a circle, at 1 the ellipse becomes a parabola. Greater than one, it is a hyperbola.
Date

08/12/2008
Source

Own work
Author

Inductiveload
Permission
(Reusing this image)
Public domain I, the copyright holder of this work, hereby release it into the public domain. This applies worldwide.

In case this is not legally possible:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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File history

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Date/TimeThumbnailDimensionsUserComment
current05:29, 8 December 2008Thumbnail for version as of 05:29, 8 December 2008400×260 (30 KB)Inductiveload (Talk | contribs) (Fix text?)
05:25, 8 December 2008Thumbnail for version as of 05:25, 8 December 2008400×260 (27 KB)Inductiveload (Talk | contribs) ({{Information |Description={{en|1=A diagram showing some basic properties of an en:ellipse, including<br> *The distance to a focus, ''F'', from the centre ''C'', is the eccentricity, ''e'' multiplied by the semimajor axis, ''a''. *The distance from )

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