Explain in words why there are 9 square feet in 1 square yard and 27 cubic feet in 1 cubic yard. Then describe generally how to find conversion factors involving squares or cubes Why are there 9 square feet in 1 square yard? OA. A square floor with area of 9 square feet fits exactly 9 square tiles whose area is 1 square yard. OB. A square floor with area of 1 square yard fits exactly 9 square tiles whose length on each side is 9 feet. OC. Since there are 9 feet in 1 yard, there must also be 9 square feet in 1 square yard. OD. A square floor with area of 1square yard fits exactly 9 square tiles whose area is 1 square foot