3o   ΚΡΙΤΗΡΙΟ   ΙΣΟΤΗΤΑΣ   ΤΡΙΓΩΝΩΝ   ( Π - Π - Π )

ΓΩΝΙΕΣ

α = 2.4 (slider from 0 to 5, step 0.05)
β = 4.15 (slider from 0 to 5, step 0.05)
γ = 4.9 (slider from 0 to 5, step 0.05)
Γ = (-9.14, 0.86)
B = Point(Circle[Γ, α])
a = Segment(Γ, B)
c = Circle(B, γ)
d = Circle(B, β)
e = Circle(Γ, γ)
Α = Intersect(d, e, 1)
b = Segment(Γ, Α)
f = Segment(B, Α)
δ = Angle(Γ, B, Α)
ε = Angle(B, Α, Γ)
ζ = Angle(Α, Γ, B)
Z = (2.94, 3.1)
Δ = Point(Circle[Z, α])
g = Segment(Z, Δ)
h = Circle(Δ, β)
k = Circle(Z, γ)
Ε = Intersect(h, k, 1)
i = Segment(Δ, Ε)
j = Segment(Z, Ε)
η = Angle(Z, Δ, Ε)
θ = Angle(Δ, Ε, Z)
ι = Angle(Ε, Z, Δ)
l = false