A = (-1.62, -4.18)
B = (17.3, -4.32)
a = Line(A, B)
C = Point(a)
D = (9.84, 4.24)
b = Line(C, D)
c = OrthogonalLine(D, a)
d = Line(D, a)
E = Intersect(a, c)
e = Segment(D, E)
f = Segment(C, E)
F = Point(d)
g = OrthogonalLine(F, a)
G = Intersect(a, g)
h = Segment(F, G)
i = Distance(f, h)
j = Ray(C, D)
α = Angle(E, C, D)
k = Segment(D, F)