A = (-7.9, 7.39)
B = (-0.3, -0.55)
f = Line(A, B)
g = Line(B, A)
C = (-2.7, 7.21)
D = (0.98, 6.67)
E = (-0.54, 3.33)
F = (-3.1, 4.39)
q1, c, d, e, f_1 = Polygon(C, D, E, F)
h = Semicircle(C, D)
α = Angle(F, C, D)
O = (4.18, 4.79)