https://www.geogebra.org/haftendorn
Haftendorn, Buch (Springer):
Kurven erkunden und verstehen
Kap 7.7.2: Aufgabe 7.8 a) S.217
www.kurven-erkunden-und-verstehen.de

Ha 2016

f: x = 0
H = Point(f)
i = OrthogonalLine(H, f)
Q = Point(i)
A = (0, 0)
B = (6, 0)
Vieleck1, q, a, b_1 = Polygon(A, B, Q)
g = OrthogonalLine(Q, q)
h: y(H)
j = OrthogonalLine(A, a)
C = Intersect(h, b_1)
D = Intersect(g, q)
E = Intersect(a, j)
α = Angle(A, C, B)
β = Angle(Q, D, A)
γ = Angle(Q, E, A)
P = Intersect(g, j)
F = Point(i)
δ = Angle(A, H, F)
ε = Angle(B, A, H)
Ortslinie1 = Locus(P, Q)
b_2 = false
b: x(B)
u: x(Q)
vt: ((h * u) * b / (h^(2) + u^(2)))
st: (u^(2) * b / (h^(2) + u^(2)))
S: (st, vt)
k = Line(B, P)
c: y = ((1 / h * x) * (b - x))