SOLUTION
The given scale is 2 cm to represents 5 m
The given dimension of the bed room is 2cm by 4cm
Since 2cm represents 5m ten
4 cm will represent 10 m
Hence the actual dimension of the bedroom is 5 m by 10 m
Therefore the area of the rectangle is:
[tex]5\times10=50[/tex]Therefore the area of the bedroom is
[tex]50m^2[/tex]