Jawaban:
6.144 cm²
Penjelasan dengan langkah-langkah:
Panjang diagonal bidang kubus = 32
s √2 = 32
s = (32/√2) . (√2/√2)
s = (32/2) √2
s = 16 √2 cm
Luas permukaan kubus
= 12 x s x s
= 12 x 16 √2 x 16 √2
= 6.144 cm²
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Jawaban:
6.144 cm²
Penjelasan dengan langkah-langkah:
Panjang diagonal bidang kubus = 32
s √2 = 32
s = (32/√2) . (√2/√2)
s = (32/2) √2
s = 16 √2 cm
Luas permukaan kubus
= 12 x s x s
= 12 x 16 √2 x 16 √2
= 6.144 cm²