Jawabanmu

2014-05-09T23:14:13+07:00
11304 = 4πr²
11304 = 4(3,14)r²
11304 = 12,56r²
r² = 11304/12,56
r² = 900
r = 30

Vol = 4/3 x πrd³
     = 4/3(3,14)(30)(60)³
     =  4/3(3,14)(6480000)
     = 81388800/3
     = 27.129.600 cm³