no 9 sama 10 .pakai cara

9) V = La × t
= π × r² × t
= 22/7 × 14 × 14 × 20
= 12320 cm³

10) V = La × t
= π × r² × t
= 22/7 × 3,5 × 3,5 × 16
= 616 cm³

9. Πr^2t
= 22/7. 14. 14. 20 = 44. 14. 20 = 616. 20= 12320 cm^3

10. Πr^2t
= 22/7. 3,5. 3,5. 16= 22. 3,5= 77. 3,5= 269,5. 16= 4312/7 = 616 cm^3

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