1,449 square feet.
63 square feet. To get area, multiply length times width.
Area is not measured in feet, but square feet. Assuming you mean an area of 90 feet by 63 feet, this is equal to 90 x 63 = 5670 square feet.
47' x 63' = 2,961 square feet.
21*3 = 63 square feet.
About 1.2 square feet x 63 tiles
63... since there are 9 square feet in a square yard.
63
63
63 sq feet
63 square kilometers equates to 678,126,356.25 square feet.
That would be 63 square feet