kak plis tolong, pakai cara

4.) V = πr²t
=3,14×15²×36
=25434 cm³

5) V= πr²t
= 3,14 × 24²× 50
=90432 cm³

6) V = πr²t
= 22/7×28×28×54
= 22×4×28×54
= 133056


semoga terbantu