C = 2 × π × r
r = C ÷ (2 × π) = 111,658 ÷ (2 × 3,14) =
= 111,658 ÷ 6,28 = 17,78 см
Ответ: 17,78
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C = 2 × π × r
r = C ÷ (2 × π) = 111,658 ÷ (2 × 3,14) =
= 111,658 ÷ 6,28 = 17,78 см
Ответ: 17,78