[tex]\large\boxed{\boxed{Tema: Angulos}}[/tex]
Hallamos el valor de α + θ
80° + α + α + θ + θ = 180°
2α + 2θ = 180° - 80°
2α + 2θ = 100°
2(α + θ) = 100°
α + θ = 100°/2
α + θ = 50°
Ahora hallamos "x"
α + θ + x = 180°
50° + x = 180°
x = 180° - 50°
x = 130°
Por lo tanto el valor de "x" es 130°
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Verified answer
[tex]\large\boxed{\boxed{Tema: Angulos}}[/tex]
Hallamos el valor de α + θ
80° + α + α + θ + θ = 180°
2α + 2θ = 180° - 80°
2α + 2θ = 100°
2(α + θ) = 100°
α + θ = 100°/2
α + θ = 50°
Ahora hallamos "x"
α + θ + x = 180°
50° + x = 180°
x = 180° - 50°
x = 130°
Por lo tanto el valor de "x" es 130°