You would need a total of 207 tiles.
196 whole tiles
7 tiles cut into 28 40-cm x 10-cm pieces
3.5 tiles cut into 28 40-cm x 5-cm pieces
four 10-cm x 5-cm pieces cut from the remaining half tile
54 tiles are needed
18*18 = 324 tiles.
It depends on the units used for measuring the tiles: 17x17 inches, centimetres etc.
9
4 tiles are needed. 6x6=36 and 8 goes into 36 4 times, therefore 4 tiles are needed.
20 tiles.
54 tiles are needed
18*18 = 324 tiles.
It depends on the units used for measuring the tiles: 17x17 inches, centimetres etc.
It depends on the dimension used for measuring the tiles. Whether they are 12 in x 12 in or 12 cm x 12 cm will make a huge difference to the number of tiles required!
9
One tile measuring 16 ft x 16 ft will be more than big enough.
4 tiles are needed. 6x6=36 and 8 goes into 36 4 times, therefore 4 tiles are needed.
The amount of tiles needed to cover a floor will depend on the size of the floor.
49 tiles
It depends on the units used for measuring the tiles: 17x17 inches, centimetres etc. As you have not specified this we can not answer your question. When asking questions please take care to include ALL the information we need to answer you.
56 16x16" tiles are needed.