Explicación paso a paso:
[tex]118 + 2 \alpha = 180[/tex]
[tex]2 \alpha = 180 - 118[/tex]
[tex]2 \alpha = 62[/tex]
[tex] \alpha = 31[/tex]
[tex]140 + 4y = 180[/tex]
[tex]4y = 180 - 140[/tex]
[tex]4y = 40[/tex]
[tex]y = 10[/tex]
theta lo reemplaze por y
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Explicación paso a paso:
[tex]118 + 2 \alpha = 180[/tex]
[tex]2 \alpha = 180 - 118[/tex]
[tex]2 \alpha = 62[/tex]
[tex] \alpha = 31[/tex]
[tex]140 + 4y = 180[/tex]
[tex]4y = 180 - 140[/tex]
[tex]4y = 40[/tex]
[tex]y = 10[/tex]
theta lo reemplaze por y