Question

va rog
................................( in colt la solutie la al doilea rand scrie ,, cele 6 fete " )

Answer 1

V=l³=15³=3375 cm³
Al=4l²=4×15²=4×225=900 cm²
At=6l²=6×15²=6×225=1350 cm²

Answer 2

$\mathcal{V}=15^3=3375~cm^3 \\ \\ \mathcal{A}_{fata}=15^2=225~cm^2 \\ \\ \mathcal{A}_{laterala}=4\cdot\mathcal{A}_{fata}=4\cdot225~cm^2=900~cm^2 \\ \\ \mathcal{A}_{total}=6\cdot225=1350~cm^2$