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= √32
= √16 x √2
= 4√2
Maka, s = 4
Sehingga,
L.Permukaan = 6s²
= 6 . 4 . 4
= 96 cm²
Itu jawabannya.
s² + s² = 32
2s² = 32
s² = 16
√s² = √16
s = 4
LP = s² × 6
= 4² × 6
= 16 × 6
= 96 cm²
Jadi luas permukaan kubus tersebut adalah 96 cm²