θ_1

θ_2

Προσπίπτουσα Ακτίνα

Ανακλώμενη Ακτίνα

θ_3

Διαθλώμενη Ακτίνα

A = (-3.36, 0.44)
B = (4.24, 0.48)
a = Segment(A, B)
πολύγ.1, b, a_1, c, d, C, D = Polygon(B, A, 4.0)
E = Point(a)
e = OrthogonalLine(E, a)
F = (-4.14, 3.62)
f = Ray(E, F)
G = Point(e)
α = Angle(G, E, F)
G' = Rotate(G, -(α), E)
β = Angle(G', E, G)
g = Ray(E, G')
H = Point(f)
u = Vector(F, H)
v = Vector(E, G')
I = Point(g)
w = Vector(E, I)
J = (2.36, -3.14)
h = Ray(E, J)
K = Point(h)
z = Vector(E, K)
L = Point(e)
γ = Angle(L, E, J)