Answer:
square feet
Explanation:
We are given that
Side of square tile=
Total number of tiles used in rectangular floor=20
Area of square=
Area of square tile=
square feet
Area of rectangular floor covered by square tiles =Area of 20 square tiles
Area of rectangular floor covered by square tiles=
square feet
Area of rectangular floor covered by square tiles=
square feet
Hence, the area of rectangular floor covered by square tiles=
square feet