Reflecting twice (parallel)
Author: R. Albers

Move with G the line e. Line h stays in the same distance to e.
Change with the slider the distance between e and h.
How far is the green triangle from the red one? (Click the check box)

Verschiebungspfeil

A = (9.040000000000001, 0.48)
B = (10.88, 0.8599999999999997)
C = (10.22, 3.840000000000004)
poly1, c, a, b = Polygon(A, B, C)
D = (-2.86, -0.52)
G = (11.34, -1.74)
d_2 = Line(D, G)
E = Point(d_2)
e = OrthogonalLine(E, d_2)
A' = Mirror(A, e)
B' = Mirror(B, e)
C' = Mirror(C, e)
poly1', c', a', b' = Polygon(A', B', C')
g = Distance(G, d_2)
d = 4 (slider from 0 to 5, step 0.05)
f = Circle(E, d)
F = Intersect(f, d_2, 1)
h = OrthogonalLine(F, d_2)
A'' = Mirror(A', h)
B'' = Mirror(B', h)
C'' = Mirror(C', h)
poly1'', c'', a'', b'' = Polygon(A'', B'', C'')
distanceAA'' = Distance(A, A'')
i = false
H = (9.940976709241175, -1.0764387678437202)
I = (1.8500676183320834, -0.4582569496619027)
u = Vector(H, I)
Länge = Segment(H, I)