The area of the green carpet can be calculated as follows:
Area = width × length = 5 feet × 2 feet = 10 square feet.
The blue carpet has the dimensions of 2 feet wide by 5 feet long, so its area is calculated as:
Area = width × length = 2 feet × 5 feet = 10 square feet.
Therefore, the areas of both carpets are the same, which is 10 square feet.
So, for the green carpet, the area is 10 feet² (fill in the blank). And for the comparison, the area of the blue carpet is the same as the area of the green carpet.