L_1 = (2.04, -0.48)
L_2 = (7.82, 2.88)
α = 0.8726646259971648 rad (slider from 0 to 1.5533430342749532, step 0.017453292519943295)
a = Segment(L_1, L_2)
b = LineBisector(a)
B' = Rotate(L_2, α, L_1)
β = Angle(L_2, L_1, B')
c = Line(L_1, B')
d = OrthogonalLine(L_1, c)
M = Intersect(b, d)
e = Circle(M, L_2)
A = Point(e)
f = Segment(A, L_1)
g = Segment(A, L_2)
γ = Angle(L_2, A, L_1)
P = Intersect(e, b, 1.0)
h = Segment(L_2, P)
i = Segment(L_1, P)
δ = Angle(L_2, P, L_1)
ε = Angle(L_1, L_2, P)
j = LineBisector(h)