A = (-20.72444866989653, -5.018038170134907)
B = (10, -5)
C = (-10, 10)
c = Segment(A, B)
a = Segment(B, C)
b = Segment(C, A)
M_b = Midpoint(A, C)
M_a = Midpoint(C, B)
M_c = Midpoint(B, A)
l = Segment(A, M_a)
m = Segment(M_c, C)
n = Segment(M_b, B)
S = Intersect(m, n)
p = Segment(M_b, M_a)
q = Segment(A, S)
r = Segment(S, B)
s = Segment(S, M_b)
t = Segment(S, M_a)
k = Segment(M_a, M_b)