πr² × t
22/7 × 14 × 14 × 42
22 × 2 × 14 × 42
44 × 588
25.872 cm³
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SOAL 1
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V Kotak Nasi = π × r² × t
V Kotak Nasi = 22/7 × 14² × 42
V Kotak Nasi = 22/7 × 196 × 42
V Kotak Nasi = 22/7 × 8.232
V Kotak Nasi = 25.872 cm²
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