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V = 1/3 × 22/7 × 14 × 14 × 21
V = 22 × 14 × 14 = 4312 cm pangkat 3
r = 14 cm
t = 21 cm
Maka,
V = 1/3 x x r² x t
V = 1/3 x 22/7 x 14² x 21
V = 1/3 x 22/7 x 196 x 21
V = 4.312 cm³
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