Answer: The required area of the floor is 133.875 sq. ft.
Step-by-step explanation: We are given to find the area of a floor that measures 12.75 ft. by 10.5 ft.
We know that
a floor is of rectangular shape and the area of a rectangle is the product of its dimensions.
For the given floor, we have
length, l = 12.75 ft and width, w = 10.5 ft.
Therefore, the area of the follow is given by
[tex]A=lw=12.75\times10.5=133.875.[/tex]
Thus, the required area of the floor is 133.875 sq. ft.
