Jawab: 2.190 cm²
Penjelasan dengan langkah-langkah:
Luas permukaan balok
Lp= 2×(p×l+p×t+l×t)
= 2×(25 cm×18 cm+25 cm×15 cm+18 cm×15 cm)
= 2×1.095 cm²
= 2.190 cm²
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Jawab: 2.190 cm²
Penjelasan dengan langkah-langkah:
Luas permukaan balok
Lp= 2×(p×l+p×t+l×t)
= 2×(25 cm×18 cm+25 cm×15 cm+18 cm×15 cm)
= 2×1.095 cm²
= 2.190 cm²