Answer: Area of window = 12 square ft.
Step-by-step explanation:
Since we have given that
Length of rectangular window = 12 ft
Width of rectangular window = x ft
As we know the formula "Area of rectangular window":
Area of rectangular window is given by
[tex]Length\times Width\\\\=12\times x\\\\=12x\ ft^2[/tex]
Hence, Area of window = 12 square ft.
