kakak plisssss jawab yaaaa suruh cari volumenya

1] V. tabung=phi×r×r×t
=22/7×28×28×8
=19.712 cm3

2] V. tabung=phi×r×r×t
=3,14×40×40×18
=90.432 cm3

3] V. prisma=(1/2×a×b)×t
=(1/2×4×8) ×12
=96 cm3

semoga membantu^^