It depends on how wide the stair case is.
Wiki User
∙ 10y ago42
15
264
10
15 exactly !
240
Thirteen
36
900 of them.
264
42
15
122.2 square yards.
Each tile covers 81 square inches. You have 1,296 square inches to cover. It will take 16 tiles to cover that area.
15 exactly !
10
180