Konstruktion In- & Ankreis
Author: Th1_b5_Loesg

A = (-9, -6)
B = (10, -6)
a = Segment(A, B)
C = (-8.76, -6.76)
D = (0.54, 7.92)
b = Segment(C, D)
E = (-5, 0)
F = (2, -7)
c = Segment(E, F)
G = Intersect(b, c)
H = Intersect(a, b)
I = Intersect(a, c)
d = AngularBisector(G, H, I)
e = AngularBisector(I, G, H)
J = Intersect(d, e)
f = OrthogonalLine(J, c)
K = Intersect(f, c)
α = Angle(J, K, I)
g = Circle(J, K)
L = Point(b)
h = AngularBisector(L, G, I)
M = Point(a)
i = AngularBisector(G, I, M)
N = Point(d)
j = OrthogonalLine(N, a)
P = Point(d)
O = Intersect(j, a)
β = Angle(P, O, A)
k = Circle(N, O)