V=Ab·h
1152=Ab·8
Ab=1152:8=144
Ab=l²
144=l²
l=12
Al=Pb·h=4·12·8=384
At=Al+2Ab=384+2·144=384+288=672
d=diagonala
d=12·8=96
b)d-diagonala bazei
d=12√2
A=12√2·8=96√2
c)dp-diagonala prismei
dp²=(12√2)²+8²=288+64
dp=4√22
avem un triunghi dreptunghic
diagonala bazei si inaltimea sunt catete iar diagonala prismei este ipotenuza
tg =8/12√2=√2/3