Answer:
400 tiles
Step-by-step explanation:
[tex]\sqrt{10201} = 101[/tex]
So that means that the side length of the square is 101 tiles (get it? 101 Dalmatians?) 101 * 4 = 404, which is the perimeter of the room. 404 - 4 (because we cant count the corners twice)
So our answer is 400 Tiles