1 square meter = 10,000 sq cm
To cover 50,000 square centimeters to 5 meters square tiles are used.
5 x 20 = 100 area of a tile
50000/100 = 500 tiles
15
You would need 137 (136.23) 16" x 16" tiles to cover 22.5 square meters.
it would be 81 tiles
You would need a total of 89 tiles (88.88 tiles exactly) with those measurements to cover that area.
49 tiles
You would need 173 tiles (you would have fractions of tiles left over)
You would need a total of 92 tiles. It would take just over 91 tiles to cover the area given.
25 geinus
You would need 450 tiles
81 tiles squared because if it's a square then it would be 9x9 which is 81
Tiles that are two feet on a side cover 4 square feet. 378 of them cover 1512 square feet.
You would need 29 tiles of that size to cover that area (28.77 tiles) to be precise,