Answer:
Part a) The square rug cover the greater area
Part b) The square rug cover 0.33 square feet more than the rectangular rug
Explanation:
step 1
Find the area of the square rug
The area of a square is

where
b is the length of the square
we have

substitute

step 2
Find the area of the rectangular rug
The area of the rectangle is

we have

substitute

step 3
Compare the areas

so
The square rug cover the greater area
step 4
Find the difference

so
The square rug cover 0.33 square feet more than the rectangular rug