Ответ:
3 cм
Объяснение:
Vш=(4/3)ПR³
Vк=(1/3)Пr²h
Vк=Vш
(4/3)ПR³=(1/3)Пr²h
4R³=r²h
R³=r²h/4
R=∛(r²h/4)=∛(2²*27/4)=∛27=3
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Ответ:
3 cм
Объяснение:
Vш=(4/3)ПR³
Vк=(1/3)Пr²h
Vк=Vш
(4/3)ПR³=(1/3)Пr²h
4R³=r²h
R³=r²h/4
R=∛(r²h/4)=∛(2²*27/4)=∛27=3