Jawaban:
960 cm²
Penjelasan dengan langkah-langkah:
diketahui:
balok =
P = 9 cm
T = 18 cm
L = 9 cm
kubus =
S = 5 cm
ditanya: luas permukaan gabungan = ?
dijawab: Lp
= 2×(p×l+p×t+l×t) + 6×s×s
= 2×(9×9+9×18+9×18) + 6×5×5
= 810 + 150
= 960 cm²
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Jawaban:
960 cm²
Penjelasan dengan langkah-langkah:
diketahui:
balok =
P = 9 cm
T = 18 cm
L = 9 cm
kubus =
S = 5 cm
ditanya: luas permukaan gabungan = ?
dijawab: Lp
= 2×(p×l+p×t+l×t) + 6×s×s
= 2×(9×9+9×18+9×18) + 6×5×5
= 810 + 150
= 960 cm²