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= 60 cm2
P : L = 3/2
tinggi prisma = 20 cm
volume = 1200 cm³
Ditanya: ↓
Luas prisma = ....?
Jawab: ↓
Luas prisma = (3 × 1200) ÷ (2 × 20)
Luas prisma = 3600 ÷ 40 cm.
Luas prisma = 90 cm².
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