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V = 4/3 x 22/7 x r3
= 4/3 x 22/7 x 21 x 21 x 21
= 38.808 cm3
d = 42 cm ---> r = 21 cm
Maka,
V = 4/3 x x r³
V = 4/3 x 22/7 x 21³
V = 4/3 x 22/7 x 9.261
V = 38.808 cm³
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