Respuesta:
α=25°
Explicación paso a paso:
70° + 2α + 10° + 2α=180°
80° + 4α = 180°
4α = 100°
α = 25°
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Respuesta:
α=25°
Explicación paso a paso:
70° + 2α + 10° + 2α=180°
80° + 4α = 180°
4α = 100°
α = 25°