Spiegle D_1 an s_2

Zeige den Winkel D_1ZF und FZD_2

Spiegle D an s_1

Zeige Winkel DZG und GZD_1

D auf dem Kreis mit Radius [DZ] drehen mit Winkelmaß α

Kreis um Z mit Radius [DZ] anzeigen

Winkel DZD' = α  anzeigen

Z = Intersect(xAxis, yAxis)
c = Circle(Z, 2.0)
B = Point(c)
C = Point(c)
s_2 = Line(C, Z)
s_1 = Line(Z, B)
D = (3.672052892561983, -0.4914642975206613)
D'_1 = Mirror(D, s_1)
D_2 = Mirror(D'_1, s_2)
D_1 = Mirror(D, s_1)
e = Segment(D, Z)
f = Segment(D_1, Z)
g = Segment(D_2, Z)
A = Point(s_1)
E = Point(s_2)
α_1 = Angle(D, Z, A)
β = Angle(A, Z, D_1)
γ = Angle(D_1, Z, E)
δ = Angle(E, Z, D_2)
ε = Angle(B, Z, C)
a = Segment(D_2, D_1)
b = Segment(D_1, D)
F = Intersect(s_2, a)
G = Intersect(s_1, b)
ζ = Angle(b, s_1)
η = Angle(a, s_2)
i = false
j = false
d = false
h = false
α = 0.22689280275926282 rad (slider from 0 to 6.283185307179586, step 0.017453292519943295)
D' = Rotate(D, α, Z)
k = false
p = Circle(Z, D)
l = false
m = Ray(Z, D)
n = Ray(Z, D')
θ = Angle(D, Z, D')
o = false