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= 6X (3 akar 2)pangkat 2
= 6x (9x2)
=6x18
=108cm kuadrat
berarti gak ada jawabannya
s^2 + s^2 = d^2
2s^2 = (3 akar2)^2
2s^2 = 9×2
2s^2 = 18
s^2 = 18/2
s^2 = 9
s = akar9
s = 3
L.kubus
= 6 s^2
= 6 × 3^2
= 6 × 9
= 54 cm^2
Semoga bermanfaat :)