Penjelasan dengan langkah-langkah:
L = (12×12×5) + (14×24×2) + (14×12×2) + (24×12)
L = 720 + 672 + 166 + 288
L = 1.846 cm²
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Penjelasan dengan langkah-langkah:
L = (12×12×5) + (14×24×2) + (14×12×2) + (24×12)
L = 720 + 672 + 166 + 288
L = 1.846 cm²