TOLONG DIJAWAB PAKE CARA

Pembahasan :

1. AB² = (50 cm)² - (40 cm)²
AB² = 2.500 cm² - 1.600 cm²
= 900 cm²
AB = √(900 cm²)
= 30 cm

V prisma = La prisma × t prisma
= 1/2 × a segitiga × t segitiga × t prisma
= 1/2 × 30 cm × 40 cm × 20 cm
= 12.000 cm³

2. V prisma = La prisma × t prisma
= 1/2 × a segitiga × t segitiga × t prisma
= 1/2 × 12 cm × 16 cm × 50 cm
= 4.800 cm³