Gegeben \ sind: \
\alpha=90^0 , \ \omega_\alpha =4cm , \ \beta = 60^0

Lösung \ ist: \  \Delta ABC

Q = (-2.695468908475839, 8.57292026621794)
P = (6.404737453699616, 2.154024707183477)
a = Segment(Q, P)
c = Semicircle(P, Q)
R = Rotate(Q, 60°, P)
β = Angle(Q, P, R)
b = Line(R, P)
A = Intersect(c, b, 2)
d = Line(Q, A)
e = AngularBisector(Q, A, P)
f = Circle(A, 4)
S = Intersect(f, e, 2)
g = Line(S, a)
B = Intersect(b, g)
C = Intersect(d, g)
Vieleck1, c_1, a_1, b_1 = Polygon(A, B, C)