Respuesta:
Explicación paso a paso:
100 + B = 180°
B = 80°
[tex]\alpha + \alpha + \beta + \beta + 80 = 180\\[/tex]
2([tex]\alpha + \beta[/tex]) = 180 - 80
2([tex]\alpha + \beta[/tex]) = 100
[tex]\alpha + \beta[/tex] = 50°
[tex]\alpha + \beta[/tex] + x = 180°
50° + x = 180°
x = 180° - 50°
x = 130°
b
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Respuesta:
Explicación paso a paso:
100 + B = 180°
B = 80°
[tex]\alpha + \alpha + \beta + \beta + 80 = 180\\[/tex]
2([tex]\alpha + \beta[/tex]) = 180 - 80
2([tex]\alpha + \beta[/tex]) = 100
[tex]\alpha + \beta[/tex] = 50°
[tex]\alpha + \beta[/tex] + x = 180°
50° + x = 180°
x = 180° - 50°
x = 130°
Respuesta:
b
Explicación paso a paso: