Respuesta :

esterzan

Answer:

-360

Step-by-step explanation:

find n:

[tex]a = \frac{180(n - 2)}{n} [/tex]

[tex]a = \frac{180n - 360}{n} [/tex]

[tex]an = 180n - 360[/tex]

[tex]an - 180n = - 360[/tex]

[tex](a - 180)n = - 360[/tex]

[tex]n = - \frac{360}{a - 180} [/tex]

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