A = (0, 0)
B = (10, 0)
a = Segment(A, B)
Regler = Point(a)
Spannung = Point(yAxis)
u = Vector(A, Spannung)
b = Segment(B, Spannung)
c = OrthogonalLine(Regler, a)
E = Intersect(b, c)
d = Segment(Regler, E)
e = Segment(A, Regler)
f = Segment(Regler, B)
g = Segment(E, B)
h = Segment(Spannung, E)
i = Line(E, a)
F = Intersect(yAxis, i)
j = Segment(F, E)