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Uhly pravidelného osemuholníka
Aké veľké budú jednotlivé uhly daného pravidelného n-uholníka?
\( \normalsize n=8 \)
\( \large\alpha=\frac{\left(n-2\right)\cdot180\degree}{n}=\frac{\left(8-2\right)\cdot180\degree}{8}=\frac{6\cdot180\degree}{8}=\frac{1080\degree}{8}=135\degree \)
\( \large\alpha=\frac{\left(n-2\right)\cdot180\degree}{n}=\frac{\left(8-2\right)\cdot180\degree}{8}=\frac{6\cdot180\degree}{8}=\frac{1080\degree}{8}=145\degree \)
\( \large\alpha=\frac{\left(n-2\right)\cdot180\degree}{n}=\frac{\left(8-2\right)\cdot180\degree}{8}=\frac{6\cdot180\degree}{8}=\frac{1080\degree}{8}=130\degree \)
\( \large\alpha=\frac{\left(n-2\right)\cdot180\degree}{n}=\frac{\left(8-2\right)\cdot180\degree}{8}=\frac{6\cdot180\degree}{8}=\frac{1080\degree}{8}=140\degree \)