Respuesta:
Pregunta 1
[tex]60 + x -7 + x + 25 = 180 \\ 2x +78 = 180 \\ 2x = 180 - 78 \\ 2x = 102 \\ x = 51 [/tex]
Pregunta 2
[tex]2x + 52 = 180 \\ 2x = 180 - 52 \\ 2x = 128 \\ x =64[/tex]
Pregunta 3
[tex]3 \alpha + 3 θ + θ + \alpha + θ + \alpha = 180 \\ 5θ + 5 \alpha = 180 \\ 5(θ + \alpha ) = 180 \\ θ + \alpha = 180 \div 5 \\ θ + \alpha = 36[/tex]
Luego:
[tex]θ + \alpha + x = 180 \\ 36 + x = 180 \\ x = 180 - 36 \\ x = 144[/tex]
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Verified answer
Respuesta:
Pregunta 1
[tex]60 + x -7 + x + 25 = 180 \\ 2x +78 = 180 \\ 2x = 180 - 78 \\ 2x = 102 \\ x = 51 [/tex]
Pregunta 2
[tex]2x + 52 = 180 \\ 2x = 180 - 52 \\ 2x = 128 \\ x =64[/tex]
Pregunta 3
[tex]3 \alpha + 3 θ + θ + \alpha + θ + \alpha = 180 \\ 5θ + 5 \alpha = 180 \\ 5(θ + \alpha ) = 180 \\ θ + \alpha = 180 \div 5 \\ θ + \alpha = 36[/tex]
Luego:
[tex]θ + \alpha + x = 180 \\ 36 + x = 180 \\ x = 180 - 36 \\ x = 144[/tex]