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= 49 x 5
= 245 cm kubik
= 49 x 5
= 245 cm³
2. Luas Permukaan bola = 4 π r²
616 = 4 x 22/7 x r²
616 = 88/7 x r²
r² = (616 x 7) : 88
r² = 4.312 : 88
r² = 49
r = √ 49
r = 7
volume bola = 4/3 π r³
= 4/3 x 22/7 x 7 x 7 x 7
= 4/3 x 22 x 49
= 4/3 x 1.078
= 4.312 : 3
= 1.437,33 cm³