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=408
Banyak kerangka = 2
s = 12 cm
t = 10 cm
Ditanyakan ⇒ Panjang kawat minimal?
Penyelesaian ↓
Ka = 6 × s
= 6 × 12 cm
= 72 cm
Rusuk = 2(Ka) + (Jumlah rusuk tegak × t)
= 2(72) + (6 × 10)
= 144 + 60
= 204 cm
Kawat = Panjang rusuk × Banyak kerangka
= 204 cm × 2
= 408 cm
Jadi panjang kawat minimal yang diperlukan adalah 408 cm.