Предмет: Математика, автор: skromergleb

Вычислите длину окружности, радиус которой равен 4,5 м.

Ответы

Автор ответа: sokhoian

r=4,5 м
C-?
C=2πr=2*3,14*4,5=3,14*0,9=2,826 м

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