Предмет: Геометрия, автор: Mihals

Высота цилиндра = 4 см, а диагональ осевого сечения образует с плоскостью основания угол 30°. Найти объем цилиндра.

Аноним: Диагональ 8, катет против угла 30°. Диаметр 4√3. R=D:2=4√3:2=2√3. Sосн=R²π=12π. V=Sосн*h=12π*4=48π

Ответы

Автор ответа: periqaqi

Ответ:48п см^3

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