Предмет: Геометрия, автор: aksunnikita

допоможіть будьласка !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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Ответы

Автор ответа: aarr04594

0

Відповідь: 22 см.

Пояснення:

відомо, що радіуси описаного і вписаного кіл для рівностороннього трикутника пов'язані таким чином: R=2r.

r=11 см, тоді R=22 cм.

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