Предмет: Математика, автор: ronnie39

образующая конуса равна 20 см радиус основания 15 см Найти его объем​

ronnie39: хелп
ronnie39: пожалуйста

Ответы

Автор ответа: Аноним
0

образующая конуса равна 20 см радиус основания 15 см Найти его объем​

V = 1/3*πR²H

H² =  20² - 15² = 400 - 225 = 175 = 25*7

H = 5√7

V = 1/3π*225 * 25√7= 1875π√7(см³)

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