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maka didapat r= 14
volume bola =
volume bola = 11498.67
Phi = 22/7
Luas permukaan = 4πr²
2464 = 4 . 22/7 . r²
2464 = 88/7 r²
2464 . 7 = 88 r²
17248 = 88 r²
r² = 17248/88
r² = 196
r = √196
r = 14 cm
Volum Bola:
= 4/3 . phi . r³
= 4/3 . 22/7 . 14³
= 4/3 . 22/7 . 2744
= 11498,67 cm³