Предмет: Геометрия, автор: Adilkur

радиус оркужности равен 2,5 см.Вычислите длину окружности

Ответы

Автор ответа: tkata2004

5 см.......................

Автор ответа: MimimishkaTheBest

По формуле: l = 2ПR
l = 2×3.14×2,5;
l = 15,7
Ответ: 15,7

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