Respuesta:
[tex]el \: vlor \: de \: \alpha = 40[/tex]
Explicación paso a paso:
[tex] \alpha + 2 \alpha + 20 + \alpha = 180[/tex]
[tex]4 \alpha + 20 = 180[/tex]
[tex]4 \alpha = 160[/tex]
[tex] \alpha = 40[/tex]
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Verified answer
Respuesta:
[tex]el \: vlor \: de \: \alpha = 40[/tex]
Explicación paso a paso:
[tex] \alpha + 2 \alpha + 20 + \alpha = 180[/tex]
[tex]4 \alpha + 20 = 180[/tex]
[tex]4 \alpha = 160[/tex]
[tex] \alpha = 40[/tex]