Jawaban:
Penjelasan dengan langkah-langkah:
Luas permukaan = 2(p × ℓ + p × t + ℓ × t)
= 2×18×12+18×10+12×10
= 2×216+180+120
= 2×516
L. Permukaan
= 2 (p×l+p×t+l×t)
= 2× 516
= 1.032 cm²
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Jawaban:
B. 1032
Penjelasan dengan langkah-langkah:
Diket :
Ditanya :
Dibahas :
Luas permukaan = 2(p × ℓ + p × t + ℓ × t)
= 2×18×12+18×10+12×10
= 2×216+180+120
= 2×516
= 1.032 Cm²
Jawaban:
L. Permukaan
= 2 (p×l+p×t+l×t)
= 2×18×12+18×10+12×10
= 2× 516
= 1.032 cm²