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знайти внутрішній кут правильного вісімнадцятикутника
Ответы 1
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Ответ:
160°
Объяснение:
(n-2)*180° сума внутрішніх кутів многокутника, де n-число сторін
(18-2)*180=2880° -сума всіх 18-ті кутів
2880:18=160° - один внутрішній кут
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Автор:
jazmieballard - 2 года назад
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2
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