A = (3, -3)
D = Point(Segment[A, (x(A) + 7, y(A))])
stap = 5 (slider from 0 to 5, step 1)
c = Circle(A, D)
B = Point(c)
f = Ray(B, A)
C = Point(c)
g = Ray(C, A)
E = Intersect(c, f, 2)
h = Segment(C, A)
i = Segment(D, A)
j = Segment(A, E)
k = Segment(B, A)
l = Segment(E, C)
m = Segment(C, B)
n = Segment(B, D)
p = Segment(D, E)
α = Angle(C, A, E)
β = Angle(E, A, D)
γ = Angle(D, E, C)
δ = Angle(B, D, E)
F = (-5.094536827872039, -7.455050784856909)