$\alpha$

$\beta$

$\gamma$

$\delta$

$\varepsilon$

$\zeta$

$\eta$

$\theta$

A = Intersect(xAxis, yAxis)
B = Point(xAxis)
C = Point(xAxis)
D = Point(xAxis)
E = Point(xAxis)
F = Point(xAxis)
c = Circle(A, B)
d = Circle(C, D)
e = Circle(E, F)
G = Intersect(c, xAxis, 2)
H = Point(c)
f = Segment(G, H)
g = Segment(H, A)
h = Segment(G, B)
I = Intersect(d, xAxis, 2)
J = Point(d)
i = Segment(I, J)
j = Segment(J, C)
k = Segment(I, D)
K = Point(d)
l = Segment(I, K)
m = Segment(K, C)
L = Intersect(e, xAxis, 2)
M = Point(e)
n = Segment(L, M)
p = Segment(M, E)
N = Point(e)
q = Segment(E, N)
r = Segment(L, N)
α = Angle(B, G, H)
β = Angle(B, A, H)
γ = Angle(K, I, J)
δ = Angle(K, C, J)
ε = Angle(N, L, M)
ζ = Angle(N, E, M)
s = Segment(L, F)
t = CircleArc(A, B, H)
c_1 = CircleArc(C, K, J)
d_1 = CircleArc(E, N, M)
η = Angle(G, H, A)
θ = Angle(H, A, G)