Best Answer

We don't see the units on the 12x12 tile, but we have to assume it's inches.

So each tile = 1 square foot.

The room measures 20-ft x 12-ft = 240 square feet.

So it takes 240 tiles to cover the ceiling, and another 240 to cover the floor.

In order to calculate how many tiles it takes to cover the walls, we need to know

the height of the ceiling above the floor.

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13y ago
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Q: How many 12x12 tile do you need for a 20ft x 12 ft room?
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