It would be 9 tiles wide by 12 tiles long. That gives you a total of 108 tiles.
236 18-inch tiles.
128.2 tiles
5,184 2-square-inch tiles are needed.
You will need 44 six inch tiles to cover 11 square feet.
616 3x6 inch tiles are needed to cover exactly 77 square feet.
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54
260 approx.
968
647
82 feet = 984 inches. So a line of 984/4 = 246 tiles will cover a length of 82 feet - to a width of 4 inches.
288 6-inch tiles are needed.