Jawaban:
No 3).
L = 2 × ((p × l) + (p × t) + (l × t))
L = 2 × ((24 × 12) + (24 × 18) + (12 × 18))
L = 2 × (288 + 432 + 216)
L = 2 × 936
L = 1.872 cm²
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Jawaban:
No 3).
L = 2 × ((p × l) + (p × t) + (l × t))
L = 2 × ((24 × 12) + (24 × 18) + (12 × 18))
L = 2 × (288 + 432 + 216)
L = 2 × 936
L = 1.872 cm²