Question

aflati muchia unui cub care are volumul de
a) 8 cm
b) 27 cm

Answer 1

V=l³

a) l³=8 cm ⇒l=2 cm, proba: 2³=2x2x2=8

b) l³=27 cm ⇒l=3 cm, proba: 3³=3x3x3=27

Answer 2

a) V= 8 cm^3
V= l^3
8= l^3
2^3 = l^3 => l= 2 cm

b) V= 27 cm^3
V= l^3
27= l^3
3^3 = l^3 => l= 3 cm

^ - la puterea..