Respuesta:
[tex]3 \alpha + \alpha + 150 + 130 = 360 \\ \\ 4 \alpha = 360 - 150 - 130 \\ 4 \alpha = 80 \\ \alpha = \frac{80}{4} \\ \alpha = 20[/tex]
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Respuesta:
[tex]3 \alpha + \alpha + 150 + 130 = 360 \\ \\ 4 \alpha = 360 - 150 - 130 \\ 4 \alpha = 80 \\ \alpha = \frac{80}{4} \\ \alpha = 20[/tex]