Respuesta: B) 50°
Explicación paso a paso:
360° - (140° + 120°)
360° - 260° = 100°
100°/2 = 50°
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Verified answer
Respuesta: B) 50°
Explicación paso a paso:
360° - (140° + 120°)
360° - 260° = 100°
100°/2 = 50°