A = (0.2228118278572468, -2.375838135063777)
B = (15.444670631669743, -2.33295965956008)
a = Segment(A, B)
C = Midpoint(a)
c = Circle(C, B)
D = Point(c)
b = Segment(D, A)
d = Segment(D, B)
e = OrthogonalLine(D, a)
E = Intersect(e, a)
h = Segment(D, E)
α = Angle(B, E, D)
β = Angle(A, D, B)
khoangcachDB = Distance(D, B)
khoangcachDA = Distance(D, A)
Văn bảnDB: "= " + khoangcachDB
Văn bảnDA: "=" + khoangcachDA