A = (4, 2)
B = Point(Circle[A, 2.23606797749979])
C: A + (1.2 * Vector[A, B]) + ((-1.6) * OrthogonalVector[Segment[A, B]])
poly1, c, a, b = Polygon(A, B, C)
D = Intersect(a, b)
E = Intersect(xAxis, yAxis)
α = Angle(A, B, D)
β = Angle(D, A, B)
γ = Angle(B, D, A)