Hypotrochoid vs. Epitrochoid

Hypotrochoid vs. Epitrochoid — Is There a Difference?

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Difference Between Hypotrochoid and Epitrochoid

Hypotrochoidnoun

(geometry) A geometric curve traced by a fixed point on the radius line outside one circle which rotates inside the perimeter of another circle.

Epitrochoidnoun

A geometric curve traced by a fixed point on one circle which rotates around the perimeter of another circle. Examples include the shape of the Wankel engine

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