Information AboutEpitrochoid |
| CATEGORIES ABOUT EPITROCHOID | |
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An epitrochoid is a Roulette traced by a point attached to a Circle of Radius ''r'' rolling around the outside of a fixed circle of radius ''R'', where the point is a distance ''d'' from the center of the exterior circle. The Parametric Equation s for an epitrochoid are: : : Special cases include the Limaçon with ''R = r'' and the Epicycloid with ''d = r'' The classic Spirograph toy traces out epitrochoid and Hypotrochoid curves. See also: Hypotrochoid |
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