Kahe lõigu geomeetrilise keskmise ja maksimaalse vaatenurga konstrueerimine

A = (9.1694, 6)
B = (7.1754, 8.878)
f = Line(B, A)
g: y = 0
D = Intersect(f, g)
E = Midpoint(B, D)
c = CircleArc(E, B, D)
h = OrthogonalLine(A, f)
F = Intersect(c, h, 1)
t1, f_1, d, b = Polygon(D, B, F)
G = (4.19, -0.89)
e = CircleArc(D, F, G)
C = Intersect(e, g, 1)
l = Segment(C, D)
i = OrthogonalLine(C, g)
j = LineBisector(B, A)
O = Intersect(i, j)
k = Circle(O, B)
m = Segment(B, A)
q = Segment(B, D)
n = Segment(C, A)
p = Segment(C, B)
α = Angle(A, C, B)