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3.
Volume Prisma Segitiga :
V = ½ × a × t × T
V = ½ × 40 × 30 × 20
V = 40 × 30 × 10
V = 12.000 cm³

4.
Volume Prisma Segitiga :
V = ½ × a × t × T
V = ½ × a × t × T
V = ½ × 40 × 60 × 80
V = 40 × 60 × 40
V = 96.000 cm³

Maaf Kalau Salah