You may determine this for yourself, by measuring it at a sports arena, or in an aeroplane.
The area in square feet is 216. The area in yards is 24 yard2.
12.36 square feet
Multiply the two dimensions to get the area. The calculation will give you 1,250 square feet.
92 should do it.
20 square feet
9 square feet.
184.08 square feet is needed.
1
At least 31.77 square yards are needed.
A square yard is = to 9 square feet.
Four tiles are needed.
6' x 9' (54 square feet) = 6 square yards of tiles needed.
Another 53.75 square feet of tile would be needed.
28' x 14' (392 square feet) = 43.5 square yards of carpet needed.
13' x 15' (195 square feet) = 21.67 square yards of carpet needed.
Approximately 16.33 square feet.
348 square feet are 38.666667 square yards.