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B = Point(xAxis)
C = Point(xAxis)
f = Segment(B, C)
E = Midpoint(f)
c = Circle(E, C)
r: y = (-x)
F, I = Intersect(c, r)
g = Segment(F, E)
h = Segment(C, F)
E' = Rotate(E, Angle[F, E, B], B)
α = Angle(E, B, E')
i = Line(B, E')
A = Intersect(h, i)
j = Segment(A, B)
k, l = AngularBisector(f, j)
G = Intersect(g, j)
D = Intersect(l, g)
m = Segment(A, D)
n = Segment(D, B)
p = LineBisector(f)
q = Line(D, A)
M = Intersect(p, q)
s = Segment(M, C)
t = Segment(D, M)
a = Segment(E, M)