E = (10.976314423076921, 0.973673076923076)
F = (18.19373173076923, 1.1455163461538453)
B = (-0.684478846153844, 5.242351229874778)
A = (-1.3227538461538462, 1.4127012298747763)
a = Segment(B, A)
B' = Rotate(A, 119.99999999999999*°, B)
α = Angle(A, B, B')
b = Ray(B, B')
C = Point(b)
A'_1 = Rotate(B, 80.0*°, C)
β = Angle(B, C, A'_1)
c = Ray(C, A'_1)
A' = Rotate(B, 250.00000000000003*°, A)
γ = Angle(A', A, B)
d = Ray(A, A')
D = Intersect(c, d)
e = Segment(B, C)
f = Segment(C, D)
g = Segment(A, D)
X = Angle(C, D, A)
đa giác1, a_1, c_1, d_1, b_1 = Polygon(B, C, D, A)
S = (2.6216055301103873, -3.7125496720221953)
T = (5.015643991648849, -3.7937035181760415)
a_2 = Segment(S, T)