Question

Cum se afla aria bazei la cub, pirisma patrulatera regulata , prisma triunghiulara regulata si paralelipiped dreptunghic?

Answer 1

cub: $l^{2}$

prisma patrulatera regulata: $l^{2}$

pr. tr. regulata: $\frac{ l^{2} \sqrt{3} }{4}$

paral. dreptunghuc: L* l