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Автор - erik20002erik

вычислите длину окружности радиускоторой равен 10 см; 20; 1 м;

Ответ

Автор - gazaliev0506
R=10см, 1= 2pR=2*3,14*10=62,8
R=20cм,1=2pR=2*3,14*20=125,6

Ответ

Проверено экспертом

Автор - fanta2310
Р = 2пR = 2 * 3,14 * 10 = 62,8 см
Р = 2 * 3,14 * 20 = 125,6
Р = 2 * 3,14 * 1 = 6,28 м

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