A = Intersect(xAxis, yAxis)
B = Point(xAxis)
C = Point(yAxis)
c = CircleArc(A, B, C)
B' = Rotate(B, 10°, A)
α = Angle(B, A, B')
B'' = Rotate(B', 10°, A)
β = Angle(B', A, B'')
B''' = Rotate(B'', 10°, A)
γ = Angle(B'', A, B''')
D = Rotate(B''', 10°, A)
δ = Angle(B''', A, D)
D' = Rotate(D, 10°, A)
ε = Angle(D, A, D')
D'' = Rotate(D', 10°, A)
ζ = Angle(D', A, D'')
D''' = Rotate(D'', 10°, A)
η = Angle(D'', A, D''')
E = Rotate(D''', 10°, A)
θ = Angle(D''', A, E)
f = Segment(B', A)
g = Segment(B'', A)
h = Segment(B''', A)
i = Segment(D, A)
j = Segment(D', A)
k = Segment(D'', A)
l = Segment(D''', A)
m = Segment(E, A)
p = OrthogonalLine(B'', xAxis)
q = OrthogonalLine(B''', xAxis)
r = OrthogonalLine(D, xAxis)
s = OrthogonalLine(D', xAxis)
t = OrthogonalLine(D'', xAxis)
a = OrthogonalLine(D''', xAxis)
b = OrthogonalLine(E, xAxis)
G = Intersect(p, xAxis)
e = Segment(B'', G)
H = Intersect(q, xAxis)
f_1 = Segment(B''', H)
I = Intersect(r, xAxis)
g_1 = Segment(D, I)
J = Intersect(s, xAxis)
h_1 = Segment(D', J)
K = Intersect(t, xAxis)
i_1 = Segment(D'', K)
L = Intersect(a, xAxis)
j_1 = Segment(D''', L)
M = Intersect(b, xAxis)
k_1 = Segment(E, M)
d = OrthogonalLine(B', xAxis)
F = Intersect(d, xAxis)
l_1 = Segment(B', F)