A = (1.34, 2.16)
B = (5.84, 2.12)
a = Line(A, B)
C = (3.44, 3.94)
b = Line(C, a)
c = Line(C, B)
D = Point(c)
E = Point(b)
F = Point(b)
G = Point(a)
α = Angle(D, C, E)
β = Angle(C, B, A)
γ = Angle(B, C, F)
δ = Angle(E, C, B)
H = Point(c)
ε = Angle(H, B, G)
ζ = Angle(F, C, D)