A = (0.712684632440732, 2.9179345045198692)
B = (9.679194951390066, 3.0564898516118015)
a = Segment(A, B)
B' = Rotate(B, 260.0*°, A)
α = Angle(B', A, B)
b = Ray(A, B')
D = Point(b)
c = Line(D, a)
A' = Rotate(A, 40.0*°, B)
β = Angle(A, B, A')
d = Ray(B, A')
C = Intersect(d, c)
e = Segment(A, D)
f = Segment(D, C)
g = Segment(C, B)
γ = Angle(C, D, A)
X = Angle(D, A, B)
Y = Angle(B, C, D)
Tên đa giác1, d_1, c_1, b_1, a_1 = Polygon(D, C, B, A)