A = (7.654400000000001, -2.454199999999999)
C = (14.745000000000001, -2.284799999999999)
Tên đa giác1, a, a_1, b, B = Polygon(A, C, 3.0)
c = Circle(B, C)
d = Circle(C, B)
D = Intersect(c, d, 1.0)
e = Segment(B, D)
f = Segment(D, C)
g = Segment(D, A)
H = Intersect(a_1, g)
α = Angle(B, H, A)