O = (5.984824182241279, -2.8164151685099164)
A = (2, 2)
a = 12 (slider from 0 to 100, step 1)
B = (-4, -6)
α = 2.2689280275926285 rad (slider from 0° to 360°, step 5°)
A' = Rotate(A, (-α), O)
B' = Rotate(B, (-α), O)
c = CircleArc(O, A', A)
d = CircleArc(O, B', B)
f = Ray(O, A')
g = Ray(O, A)
h = Ray(O, B')
i = Ray(O, B)
β = Angle(A', O, A)
γ = Angle(B', O, B)
image2 = Rotate(image1_{14}, ((-α) * (a - 50) / 50), O)