A = (1.3064932628347279, 2.554451645915058)
B = (-1.122723861504347, -1.1163653419750996)
a = Segment(A, B)
C = (6.020973904144636, -1.2063363465802506)
b = Segment(B, C)
c = Segment(C, A)
D = Midpoint(a)
E = Midpoint(c)
d = Segment(D, E)
f = Segment(A, D)
g = Segment(D, B)
e = Segment(A, E)
h = Segment(E, C)
i = Line(E, b)
j = Line(C, f)
F = Intersect(i, j)
k = Segment(E, F)
l = Segment(F, C)
C_1 = Angle(F, C, E)