Răspunsuri

2014-06-16T15:08:28+03:00
A= L*l*h
=AB* AD*AA'
=12* 8 *16
=1536
asta e volumul paralelipipedului..
Scuze, At=Al+2*Ab.
At=Al+2Ab => Al=Pb * h => Pb = 2(L+l) = 40 cm => Al= 40*16=640m² ......Ab=L*l =12*8=96m² ...At=640+2*96= 640+192=832m²