[tex]x° + x° + 80° + 70° = 360° \\ 2x° + 150° = 360° \\ 2x° = 360° - 150° \\ 2x° = 210° \\ x° = \frac{210°}{2} \\ x° = 105°[/tex]
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RESOLUCIÓN:
[tex]x° + x° + 80° + 70° = 360° \\ 2x° + 150° = 360° \\ 2x° = 360° - 150° \\ 2x° = 210° \\ x° = \frac{210°}{2} \\ x° = 105°[/tex]
RESPUESTA:
[tex]105°[/tex]