what is the missing area 11 + = ×16= ×2=209
lets say x,y,z are the unknown variables,11+x=y16=z/2=209so first solve for zz/2=209z=418y16=z/2y=418/32y=209/16x+11=y16x=209/1616-11x=209-11x=198missing area is11+198=209/16=418/2=209