Α

β = 0.06981317007977318 rad (slider from -40° to 14°, step 1°)
Α = Intersect(xAxis, yAxis)
c = Circle(Α, 6)
Β = Point(xAxis)
d = Circle(Β, 6)
Γ, Δ_1 = Intersect(c, d)
Δ, Ε = Intersect(d, xAxis)
Γ' = Rotate(Γ, β, Α)
e = Circle(Γ', 3)
f = Segment(Α, Γ')
Ζ, Η = Intersect(e, d)
g = Segment(Β, Ζ)
h = Segment(Γ', Ζ)
Θ = Midpoint(Γ', Ζ)
Ι = (11.89538009905116, 4.425864421295828)
Κ = (19.344325741455645, 4.3405711505812725)