Luas permukaan prisma
= 2 . 1/2 . 3 . 4 + (3 + 4 + 5) . 10
= 12 + 12 . 10
= 12 + 120
= 132 cm²
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Luas permukaan prisma
= 2 . 1/2 . 3 . 4 + (3 + 4 + 5) . 10
= 12 + 12 . 10
= 12 + 120
= 132 cm²