A = (-3.889648691079088, -1.0741905813015284)
B = (6.2880399097336035, -1.129806366005423)
a = Segment(A, B)
C = Midpoint(a)
b = OrthogonalLine(C, a)
M = Point(b)
c = Segment(M, A)
d = Segment(M, B)
D = (10.626071116637371, -1.2132300430612646)
E = (21.27649388743317, -0.9907669042456866)
e = Segment(D, E)
F = Midpoint(e)
f = OrthogonalLine(F, e)
g = Segment(D, F)
h = Segment(F, E)
G = Point(f)
i = Segment(G, D)
j = Segment(G, E)
α = Angle(E, F, G)