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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