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| View Original: | Ellipse Properties of Directrix and String Construction.svg (884x484) | |||
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| Keywords: Ellipse Properties of Directrix and String Construction.svg 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 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 <br> Ellipse properties> e 0 8 a 170 px b 102 px f e a 136 px d a/e 212 5 px Origin 0 px 0 px <br> Other related images <br> 150px 150px <br> These images were edited with the free open source program Inkscape Ellipse_Properties svg 2010-07-03 18 32 UTC Ellipse_Properties svg Inductiveload derivative work Dave3457 <span class signature-talk >talk</span> derivative work ElectroKid <small> </small> Inkscape 41735 2421 U Krishnavedala Simplied and foci where in the wrong place dave3457 Ellipse_Properties svg cc-zero cc-pd Ellipses | ||||
