A = (-2.5, 1.44)
B = (0.94, -1.04)
j = Line(A, B)
F = (3.06, 0.9)
D = Point(j)
f = OrthogonalLine(D, j)
g = LineBisector(D, F)
P = Intersect(f, g)
r = Segment(F, P)
d = Segment(P, D)
α = Angle(j, d)
tekst1: "FP=" + (LaTeX[r]) + " \; ja  \; DP=" + (LaTeX[d]) + " \; ⇒FP =DP"