A = (0.4, 4.42)
B = (3.66, 0.08)
a = Line(A, B)
C = (6.9, 4.44)
e = Segment(A, B)
h = Segment(C, A)
j = Segment(A, B)
c = Line(B, h)
b = Line(C, e)
D = Intersect(c, b)
d = Segment(C, D)
f = Segment(D, B)
α = Angle(B, A, C)
β = Angle(A, C, D)
γ = Angle(C, D, B)
δ = Angle(D, B, A)