koorde = 4 (slider from 0 to (2 * straal), step 0.1)
A = (-9, -13)
straal = 3 (slider from 0 to 5, step 0.1)
c = Circle(A, straal)
B = Point(c)
f = Circle(B, koorde)
F, G = Intersect(c, f)
A_1 = (-1, -13)
c_1 = Circle(A_1, straal)
B_1 = Point(c_1)
i = Segment(B, A)
δ = Angle(B, A, F)
m = Segment(B_1, A_1)
j = Segment(A, F)
h = CircleArc(A, B, F)
g = Segment(B, F)
k = Circle(B_1, g)
C, E = Intersect(k, c_1)
n = Segment(A_1, E)
e = CircleArc(A_1, B_1, E)
β = Angle(B_1, A_1, E)
l = Segment(B_1, E)
d = CircleArc(A, F, B)
p = CircleArc(A_1, E, B_1)