V = πr²t
539 cm = 22/7 × (3,5 × 3,5) × t
539 cm = 22/7 × 12,25 × t
539 cm = 22 × 1,75 × t
539 cm = 38,5 × t
t = 538 cm/38,5
t = 14 cm (t atau panjang pipa)
Jadi, panjang pipa adalah 14 cm
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V = πr²t
539 cm = 22/7 × (3,5 × 3,5) × t
539 cm = 22/7 × 12,25 × t
539 cm = 22 × 1,75 × t
539 cm = 38,5 × t
t = 538 cm/38,5
t = 14 cm (t atau panjang pipa)
Jadi, panjang pipa adalah 14 cm