Figuur III

A_1 = (-6, -21)
A = Point(Segment[A_1, (x(A_1) + 7, y(A_1))])
c_1 = Circle(A_1, A)
E_1 = Point(c_1)
D_1 = Point(c_1)
g_1 = Segment(D_1, E_1)
d_1 = CircleArc(A_1, E_1, D_1)
C_1 = Point(d_1)
e_1 = CircleArc(A_1, D_1, E_1)
B_1 = Point(e_1)
f_1 = Segment(B_1, C_1)
F_1 = Intersect(f_1, g_1)
l = Line(F_1, A_1)
J, K = Intersect(c_1, l)
h_1 = Segment(F_1, D_1)
i_1 = Segment(F_1, C_1)
j_1 = Segment(F_1, E_1)
k_1 = Segment(F_1, B_1)
m = Segment(F_1, J)
n = Segment(F_1, K)
W: (-1.5, -13)
B = (-14.132774174523615, -24.551822378914014)