A = Point(yAxis)
c = Circle(A, 1.5)
umfangc = Circumference(c)
Textc: "Umfang = " + umfangc
B, C = Intersect(c, yAxis)
a, b = Tangent(C, c)
D = Point(a)
E = Point(yAxis)
F = (9.42, -2)
d = Segment(C, E)
e = Segment(E, F)
f = Segment(F, D)
G = Point(yAxis)
g = Circle(G, 1.5)
h = Segment(C, D)