tolong jawab yaa no 30

V. Balok
= p × l × t.
= 32 × 20 × 12.
= 7.680cm⁳.

V. Prisma
= La × t.
= 1/2 × a × t × t.
= 1/2 × (18 - 12) × 20 × 32.
= 1/2 × 6 × 20 × 32.
= 1/2 × 120 × 32.
= 60 × 32.
= 1.920cm⁳.

V. Seluruhnya
= 7.680 + 1.920.
= 9.600cm⁳.

Jawaban : D.