Предмет: Математика, автор: VaronMill

прошу, помогите с этим заданием.

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Ответы

Автор ответа: Ramilya55

С= 2Пr = 2*3,14* 5= 31,4 -длина окружности
S = П R^2 = 25*3,14 = 78,5 - площадь

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