L=6m,l=4m, i=2,5 ,usa=1x2=2m patrati,ferestrele=1x1=1m patrat x doua fe
restre 1x2=2 m patrati
pardosea Lxl 6x4=24,pereti laterali Lxi 6x2,5=15m patrati ,paretii orizontali
parete orizontal 1 lxi-fereastra 4x2,5-2=10-2=8m patrati ,parete orizontal 2
lxi-usa 4x2,5-2=8 pentruca 2 ferestre=usa