Β.1.5. Άσκηση 7 σελ.168

Σχημάτισε τις γωνίες 72 και 144 μοίρες και σχεδίασε τις διχοτόμους αυτών

Α_{1} = (-4.7282062217737, 3.1878048508203456)
Β = (-6.669222092868247, 1.4170535298218148)
Α' = Rotate(Α_{1}, 72°, Β)
α = Angle(Α_{1}, Β, Α')
f = Segment(Α', Β)
g = Segment(Α_{1}, Β)
Γ_{1} = (-1.5953385000070628, 1.4851593498602198)
Ε = (1.6567144068267832, 3.3240164908971557)
Γ' = Rotate(Γ_{1}, 144°, Ε)
β = Angle(Γ_{1}, Ε, Γ')
h = Segment(Γ_{1}, Ε)
i = Segment(Γ', Ε)
Α = Point(f)
Γ = Point(g)
Δ = Point(h)
Ζ = Point(i)