Предмет: Геометрия, автор: vikayakovluk1307

Сума кутів правильного опуклого многокутника дорівнює 900°. Чому дорівнює кожний кут такого многокутника?
ДОПОМОЖІТЬ! ❤️

Ответы

Автор ответа: palilov243659

1

Ответ:

128 4/7

Объяснение:

∑∠=180(n-2)⇒900=180n-360⇒180n=900+360⇒180n=1260⇒n=7

∠=900/7=(128 4/7)°

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