volume kubus yg memiliki panjang diagonal sisi 10√2cm adalah

sisi = 10

V = 10 × 10 × 10 = 1000 cm³

( kubus , diagonal sisi = x√2 , sisi = x )

Panjang diagonal = s√2
10√2 = s√2
s = 10√2/√2
s = 10 × 1
s = 10

Volume = s³
= s × s × s
= 10 × 10 × 10
= 1.000 cm³