A = (3.065881529843278, 3.3368091557797244)
B = (11.65004467622082, 3.454400431757499)
a = Segment(A, B)
C = (13.502107272870767, -1.4256375213201438)
b = Segment(B, C)
c = Line(A, b)
d = Line(C, a)
D = Intersect(c, d)
e = Segment(A, D)
f = Segment(D, C)
α = Angle(B, C, D)
β = Angle(D, A, B)
γ = Angle(C, D, A)