Epicycloid
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Image:EpitrochoidOn3-generation.gif
The red curve is an epicycloid traced as the small circle (radius Template:Nowrap rolls around the outside of the large circle (radius Template:Nowrap.
In geometry, an epicycloid is a plane curve produced by tracing the path of a chosen point of a circle — called an epicycle — which rolls without slipping around a fixed circle. It is a particular kind of roulette.
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See also
- Special cases: Cardioid, Nephroid
- Cycloid
- Hypocycloid
- Epitrochoid
- Hypotrochoid
- Spirograph
- Deferent and epicycle
- Epicyclic gearing
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