α

β

A = (-4.56, 1.5)
B = (0.9, 1.42)
c = Segment(A, B)
A' = Rotate(A, (-(40°)), B)
B' = Rotate(B, 50°, A)
α = 0.8726646259971648 rad (slider from 0 to 6.283185307179586)
α_1: α
B'_1 = Rotate(B, α, A)
γ = Angle(B, A, B'_1)
b = Ray(A, B'_1)
β = 0.6981317007977318 rad (slider from 0 to 6.283185307179586)
A'_1 = Rotate(A, (-β), B)
β_2 = Angle(A'_1, B, A)
a = Ray(B, A'_1)
C = Intersect(b, a)