Yes, a equals 12 inches which of the following is closest to the area of the rug

It would depend on the dimensions of the rug. If the dimensions were given in terms of feet, you would need to convert them to inches before calculating the area. For example, if the rug measures 3 feet by 5 feet, its area would be 36 inches by 60 inches, resulting in an area of 2160 square inches.