a = 4 (slider from 1 to 5, step 1)
b = 2 (slider from 1 to 5, step 1)
A = (3, 4.8)
B = (3, 2)
h = Line(A, B)
C = Point(Circle[A, a])
a_1 = Segment(A, C)
D = Point(Circle[B, b])
b_1 = Segment(B, D)
g = Line(C, D)
α = Angle(h, a_1)
β = Angle(h, b_1)
γ = Angle(A, C, D)
δ = Angle(C, D, B)