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Verified answer
Luas permukaan balok= 2 × ((p × l)+(p × t)+(l × t))
= 2 × ((5cm × 6cm)+(5cm × 8cm)+(6cm × 8cm))
= 2 × (30cm²+40cm²+48cm²)
= 2 × 118cm²
= 236cm² {C}
Semoga bermanfaat.
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