a) A laterala=(latura bazei x inaltimea)x3=(6x4)x3=24x3=72 cm patrati.
b)Volum=A bazei x inaltimea. A bazei = [tex] \frac{ latura^{2} \sqrt{3} }{4} [/tex] => A bazei = [tex]9 \sqrt{3} [/tex] . Volum = [tex]9 \sqrt{3} [/tex] x 4 = [tex]36 \sqrt{4} [/tex] centimetri cubi