E1P3I1C3Y4C3L1O1I1D2
20 points
EPICYCLOID is validvalid
[n EPICYCLOIDS]
a curve traced by a point in the circumference of a circle which rolls on the convex side of a fixed circle [n -S]
[n EPICYCLOIDS]
a curve traced by a point in the circumference of a circle which rolls on the convex side of a fixed circle [n -S]