A = (1.6753646914060927, 5.2506071723180066)
B = (17.10040031779067, 5.412295176787446)
a = Segment(A, B)
D = (-4.080728267705972, -3.4805450690317534)
b = Segment(A, D)
c = Line(D, a)
d = Line(B, b)
C = Intersect(c, d)
e = Segment(D, C)
f = Segment(C, B)
g = Segment(B, D)
h = OrthogonalLine(A, g)
i = OrthogonalLine(C, g)
H = Intersect(h, g)
K = Intersect(i, g)
j = Segment(A, H)
k = Segment(C, K)
l = Segment(A, K)
m = Segment(H, C)
O = Midpoint(g)
α = Angle(A, H, D)
β = Angle(C, K, B)