1. a. V = s³ = 15³ = 3375cm³
b. Lp = 6s² = 6 × 15² = 6 × 225 = 1350cm²
2. Lp = 2(p+l) + 2(p+t) + 2(l+t) = 2×39 + 2×32 + 2×23 = 78 + 64 + 46 = 178cm²
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1. a. V = s³ = 15³ = 3375cm³
b. Lp = 6s² = 6 × 15² = 6 × 225 = 1350cm²
2. Lp = 2(p+l) + 2(p+t) + 2(l+t) = 2×39 + 2×32 + 2×23 = 78 + 64 + 46 = 178cm²
=15×15×15
=3375
B) luas permukaan = 6× s
= 6×15
= 90
luas permukaan= 2×(p×l+p×t+l×t)
= 2× ( 24×15+24×8+15×8)
=2× ( 360+ 192 +120)
= 2× (672)
=1344
maaf klo salah!!