F=Z

A = Intersect(xAxis, yAxis)
B = (6, 0)
F = Midpoint(A, B)
f = Segment(F, A)
Z = Point(f)
g = OrthogonalLine(F, f)
c = Circle(F, A)
X, D = Intersect(c, g)
h = OrthogonalLine(B, f)
d = Circle(B, Segment[A, Z])
Y, E = Intersect(d, h)
α = Angle(Y, Z, X)
t1, y_1, x_1, z_1 = Polygon(X, Z, Y)
β = Angle(Z, X, Y)
i = Segment(F, B)