Jawaban:
Luas permukaan balok:
L = 2 × ( pl + pt + lt )
L = 2 × ( (12×10) + (12×18) + (10×18))
L = 2 × (120 + 216 + 180)
L = 2 × (336 + 180)
L = 2 × 516
L = 1.032cm²
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Jawaban:
Luas permukaan balok:
L = 2 × ( pl + pt + lt )
L = 2 × ( (12×10) + (12×18) + (10×18))
L = 2 × (120 + 216 + 180)
L = 2 × (336 + 180)
L = 2 × 516
L = 1.032cm²