Angles suplem
Author: Daniel mentrard

a = 60 (slider from -5 to 60, step 0.1)
A = (22.379079983917105, -5.480962540023707)
c = Circle(A, a)
b = Line(A, xAxis)
B, C = Intersect(c, b)
d = Semicircle(B, C)
e = Segment(B, C)
D = Point(d)
f = Segment(D, A)
g = CircleSector(A, C, D)
h = CircleSector(A, D, B)
k = Semicircle(B, C)
α = Angle(C, A, D)
β = Angle(D, A, B)
γ = Angle(C, A, D)
δ = Angle(D, A, B)
T1: "" + α
T2: "" + β
G = Midpoint(B, A)
H = Midpoint(A, C)
I = Intersect(d, k, 1.0)
p = Semicircle(G, H)
i = AngularBisector(C, A, D)
j = AngularBisector(D, A, I)
J = Intersect(p, i)
E = Intersect(p, j)
F = Intersect(d, k, 1.0)