Предмет: Математика, автор: MyNameDjonny

Знайдіть довжину кола, радіус якого 10 см

Ответы

Автор ответа: Аноним

$L=2 pi r=2 pi *10=20 pi=20*3.14=62.8$

Автор ответа: Аноним

Длина окружности находится по формуле С=2πR
C≈2·3,14·10=62,8 cм

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