Предмет: Математика, автор: stalkerbrod1986

Площа осьового перерізу циліндра дорівнює S . Визнач площу бічної поверхні циліндра.

Ответы

Автор ответа: dyexfnf

Ответ:

Пошаговое объяснение:

Нехай дано циліндр, площа осьового перерізу прямокутник

S(ABCD) = S

Площа бічної поверхні циліндра S бічн. = 2πrh

SABCD = 2r * h,

Sб.п.= 2πr * h, де 2rh = S =>

Sб.п. = Sπ од.²

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