[tex]4 \alpha + 100 = 180 \\ 4 \alpha = 80 \\ \alpha = 20[/tex]
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[tex]4θ + 20 = 180 \\ 4θ = 160 \\ θ = 40[/tex]
[tex]x + 3θ + 20 + \alpha = 180 \\ x + 3(40) + 20 + 20 = 180 \\ x + 160 = 180 \\ x = 20[/tex]
20
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Verified answer
[tex]4 \alpha + 100 = 180 \\ 4 \alpha = 80 \\ \alpha = 20[/tex]
________________________________
[tex]4θ + 20 = 180 \\ 4θ = 160 \\ θ = 40[/tex]
________________________________
[tex]x + 3θ + 20 + \alpha = 180 \\ x + 3(40) + 20 + 20 = 180 \\ x + 160 = 180 \\ x = 20[/tex]
Respuesta :
20