bucataria si dormitorul au latimea de 7-3=4m
Abucatarie=4x4=16m^{2}
Adormitor=4x4,5=18m^{2}
A baie=2x3=6m^{2}
Ahol=5,7x3=17,1m^{2}
Acamera=7x4,4=30,8m^{2}
Atotala=16+18+6+17,1+30,8=87,9m^{2}