Vprisma=Lalas×tinggi prisma
540=1/2×5×12×tinggi prisma
tinggi prisma=540 : 30
=18 dm
Lp prisma=2×Lalas + Kalas×tinggi prisma
=2×30 + 5+12+13×18
=60 + 540
=600 dm²
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Vprisma=Lalas×tinggi prisma
540=1/2×5×12×tinggi prisma
tinggi prisma=540 : 30
=18 dm
Lp prisma=2×Lalas + Kalas×tinggi prisma
=2×30 + 5+12+13×18
=60 + 540
=600 dm²