File:Evolute1.gif

Description
English: An animation of the construction of an evolute of an ellipse : an astroid. Red curve = ellipse. Black dot is a point of the ellipse. In every point of the ellipse normal line ( blue) is drawn.
Date
Source http://en.wikipedia.org/wiki/File:Evolute1.gif
Author Sam Derbyshire
Permission
(Reusing this file)
w:en:Creative Commons
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Category:CC-BY-SA-1.0#Evolute1.gifCategory:Files tagged CC-by-sa-old
Other versions
Category:Animations of curves Category:Geometric constructions Category:Animations of ellipses Category:Astroid Category:Animations of geometry Category:Illustrations for curvature and torsion of curves Category:Animated GIF files
Category:Animated GIF files Category:Animations of curves Category:Animations of ellipses Category:Animations of geometry Category:Astroid Category:CC-BY-SA-1.0 Category:Files tagged CC-by-sa-old Category:Geometric constructions Category:Illustrations for curvature and torsion of curves