Area total de um banheiro

Piso                               Paredes da frente e do fundo           Paredes laterais
Aq=b.h=2m.3m=6m       Aq=b.h=3m.1,5=3,45                    Ar=b.h=2m.1,15m= 2,30 
                                        
                                        3,45+3,45=6,90                           2,30+2,30=4,60



AREA TOTAL
   =6m+6,90+4,60=17,50