Respuesta:
3) ψ + 90° + 120° + 90° = 360°
ψ = 360° - 300°
ψ = 60°
4) 20° + α + 4α = 90°
5α = 70°
α = 14°
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Respuesta:
3) ψ + 90° + 120° + 90° = 360°
ψ = 360° - 300°
ψ = 60°
4) 20° + α + 4α = 90°
5α = 70°
α = 14°