A = (-0.22, -4.94)
B = (4.52, 1.24)
f = Segment(A, B)
C = (4.46, -2.14)
g = Segment(B, C)
h = OrthogonalLine(C, g)
i = OrthogonalLine(A, f)
D = Intersect(i, h)
j = Segment(C, D)
k = Segment(D, A)
α = Angle(B, A, D)
β = Angle(B, C, D)
E = Intersect(j, f)