Explicación paso a paso:
[tex]i = \frac{(n - 2) \times 180}{n} \\ ni = (n - 2) \times 180 \\ ni = 180n - 360 \\ ni - 180n = - 360 \\ 180n - ni = 360 \\ n(180 - i) = 360 \\ n = \frac{360}{180 - i} [/tex]
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Explicación paso a paso:
[tex]i = \frac{(n - 2) \times 180}{n} \\ ni = (n - 2) \times 180 \\ ni = 180n - 360 \\ ni - 180n = - 360 \\ 180n - ni = 360 \\ n(180 - i) = 360 \\ n = \frac{360}{180 - i} [/tex]