b

a

c_1

A = Point(xAxis)
b = 5 (slider from 0 to 5, step 0.1)
α = 0.7853981633974483 rad (slider from 0 to 3.141592653589793, step 0.017453292519943295)
C: (x(A) + b * cos(α), b * sin(α))
a = 4.1 (slider from 0 to 6, step 0.1)
c = Circle(C, a)
d = Segment(A, C)
B_2, B_1 = Intersect(c, xAxis)
e = Segment(C, B_1)
f = Segment(C, B_2)
g = Segment(A, B_1)
h = Segment(A, B_2)
B = Point(xAxis)
i = Line(A, B)
γ = Angle(i, d)