Предмет: Математика, автор: alena12445

Найдите длину окружности если площадь 16п (пи) см^2

Ответы

Автор ответа: TheCleverOlya
0

Ответ:

Пошаговое объяснение:

Площадь круга:

S=πr*r=16π, r>0

r*r=16

r=√16=4

Длина окружности:

L=2πr=2*π*4=8π

Автор ответа: lakOR555
0

L²=S×4pi

L²=16pi×4pi

L²=2⁴×2²×pi²

L²=2⁶×pi²

L=2³×pi

L=8pi

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