Предмет: Геометрия, автор: bftvvhtrgh

Площадь боковой поверхности прямого кругового цилиндра равна 4Pi , а диаметр основания равен 10. Найдите высоту цилиндра.

Ответы

Автор ответа: NNNLLL54

Ответ:

$S_{bok}=2\pi rh=4\pi \ \ ,\ \ \ d=10\ \ \to \ \ r=d:2=5\\\\h=\dfrac{S_{bok}}{2\pi r}=\dfrac{4\pi }{2\pi \cdot 5}=\dfrac{2}{5}=0,4$

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