Which tiles can be used to cover a 12 by 12 floor? 9 by 9? Suppose you have 2 by 2, 3 by 3, 4 by 4, and 5x by 5 ft tiles.

Answer 1

The x isn't supposed to be there.

Answer 2

Only one of those sets would not work. Which one wouldn't work?

Answer 3

Um I don't really know.

Answer 4

Here are the factors of 12:

1, 2, 3, 4, 6, 12

Factors of 9

1, 3, 9

Answer 5

I got the 9x9 but whats the 12x12?

Answer 6

Look at the factors of 12. All but one size of floor tile will cover a 12 by 12 foot floor.