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Ditanya = Volume tabungnya.
Jawab.
---> Volume = π × r² × t.
---> V = 3,14 × ( 15 × 15 ) × 20.
---> V = 3,14 × ( 225 × 20 ).
---> V = 3,14 × 4500.
---> V = 14130 cm³.
Semoga membantu ya :-)
3,14×15×15×20
=14130