Schieberegler zum Verschieben das Dreiecks

A = (2.96, 2)
B = (8.94, 2)
a_2 = Segment(A, B)
C = (11.3, 5)
b_2 = Segment(B, C)
c = Line(C, a_2)
d = Line(A, b_2)
D = Intersect(c, d)
e = OrthogonalLine(D, a_2)
E = Intersect(a_2, e)
f = 0 (slider from 0 to 10, step 0.1)
Vieleck1, a, b, a_1, b_1 = Polygon(A, B, C, D)
Vieleck2, d_1, a_3, e_1 = Polygon(A, E, D)
h_2 = Circle(D, f)
G, H = Intersect(h_2, c)
v = Vector(D, H)
A' = Translate(A, v)
E' = Translate(E, v)
D' = Translate(D, v)
Vieleck2', d', h_a, e' = Polygon(A', E', D')
h_1 = Segment(D, E)
α = Angle(B, E, D)
β = Angle(D', E', A')