Respuesta :
Let the width of room be =x mtrs
Then the length is x+2 mtrs
As Perimeter = 2(l+b) = 2(x+x+2)
16 = 2 ( 2x+2)
16/2 = 2x +2
8=2x+2
2x= 8-2 = 6
x = 6/2 =3 mtrs
Therefore width of the room is 3 mtrs
2(w)+ 2(w+2)=16
2w + 2w +4 =16
4w + 4 =16
4w = 12
w =3
width = 3 meters