In geometry, a cyclogon is the curve traced by a vertex of a regular polygon that rolls without slipping along a straight line. In the limit, as the number...

The combustion chamber of the Wankel engine is an epitrochoid. Cycloid Cyclogon Epicycloid Hypocycloid Hypotrochoid Spirograph List of periodic functions...

eigenvalues of some random matrices with cyclic correlations. Cycloid Cyclogon Epicycloid Rosetta (orbit) Apsidal precession Spirograph J. Dennis Lawrence...

of constant width Curve of pursuit Curves in differential geometry Cusp Cyclogon De Boor algorithm Differential geometry of curves Eccentricity (mathematics)...

\left({\frac {R+r}{r}}\theta \right)} List of periodic functions Cycloid Cyclogon Deferent and epicycle Epicyclic gearing Epitrochoid Hypocycloid Hypotrochoid...

Special cases: Tusi couple, Astroid, Deltoid List of periodic functions Cyclogon Epicycloid Hypotrochoid Epitrochoid Spirograph Flag of Portland, Oregon...

Roulette Any curve Line Point on the line Involute of the curve Line Any Any Cyclogon Line Circle Any Trochoid Line Circle Point on the circle Cycloid Line Conic...

maxima" or "radial minima". Aristotle's wheel paradox Brachistochrone Cyclogon Cycloid Epitrochoid Hypotrochoid List of periodic functions Roulette (curve)...

not serve as general models for these curves, which vary considerably. Cyclogon Cycloid gear List of periodic functions Tautochrone curve Cajori, Florian...