Răspuns :
Cubul are 12 muchii egale => 48:12 = 4 cm lungimea unei muchii
Volumul cubului = l³ = 4³ = 64
Volumul cubului = l³ = 4³ = 64
Cubul are 12 muchii.
[tex] V_{cub}= l^{3} [/tex]⇒l=[tex] \frac{48}{12} [/tex]=4cm⇒[tex] V_{cub} [/tex]=64[tex] cm^{3} [/tex]
[tex] V_{cub}= l^{3} [/tex]⇒l=[tex] \frac{48}{12} [/tex]=4cm⇒[tex] V_{cub} [/tex]=64[tex] cm^{3} [/tex]