A = (-7.3295015706925355, 6.7761032197658215)
B = (-5.543668869319396, 6.7761032197658215)
poly1, f, g, h, i, C, D = Polygon(A, B, 4)
E = Midpoint(g)
F = Midpoint(h)
j = Segment(A, F)
k = Segment(A, E)
α = Angle(E, A, F)