Ringi ümbermõõdu sirgjoonena näitamine 
animatsioonina (ringi raadius on 2)

A = Point(yAxis)
B = Point(Circle[A, (2 * π)])
f = Segment(A, B)
C = Point(f)
c = Circle(C, 2)
D = Point(c)
a: x(C)
D' = Rotate(D, (-a), C)
E = Intersect(xAxis, yAxis)
g = Segment(D, E)
d = CircleArc(C, D, D')