panjang diagonal 5√2cm tentukan luas permukaan kubus tersebut! BANTUU JAWABB YAHH?

PD = s√2
5√2 = s√2
5 = s

Lp = 6s²
Lp = 6 × 5²
Lp = 6 × 25
Lp = 150 cm²

semoga berguna +_+

X^2 + X^2 = (5 akar2)^2
X = 5 cm

luas permukaan = 6 × X^2 = 6 × 25 = 150 cm^2