stap = 7 (slider from 0 to 7, step 1)
A = (-4, -3)
B = Point(Segment[A, (x(A) + 7, y(A))])
f = Segment(A, B)
C: (0.18, 1.99)
i = LineBisector(B, C)
j = LineBisector(C, A)
D = Intersect(i, j)
E = Midpoint(B, C)
F = Midpoint(A, C)
k = Segment(E, D)
l = Segment(D, F)
m = Segment(B, D)
n = Segment(D, A)
p = Segment(D, C)
q = Segment(B, E)
r = Segment(E, C)
s = Segment(C, F)
t = Segment(F, A)
c = Circle(D, A)
ε = Angle(D, F, A)
ζ = Angle(D, F, C)
a = Segment(A, C)
b = Segment(C, B)
G = (-5.990935843418534, -6.379372114496791)