A

B

C

D

E

F

A = (-1.285450063558467, 5.624699149409332)
B = (-2.950127131829614, 3.6903555543442597)
f = Ray(A, B)
C = (-0.2370908592276446, 3.680039827072009)
g = Ray(A, C)
h = Segment(B, C)
i, j = AngularBisector(f, h)
k, l = AngularBisector(g, h)
D = Intersect(i, l)
m = OrthogonalLine(D, f)
n = OrthogonalLine(D, g)
E = Intersect(m, f)
F = Intersect(n, g)
p = Segment(D, E)
q = Segment(D, F)
α = Angle(C, F, D)
β = Angle(D, E, B)

Tool: Tool1
Input: A
Output: h, g

B: (x(A), 0)
C: (0, y(A))
g = Segment(A, C)
h = Segment(A, B)