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If you have 7 tiles how many rectangles can you form?
If you have to use all of them, 1.
How many 13 x 13 inch tiles are needed for a 15 x 15 foot room?
In practice you will use more tiles than the equivalent area of the room. A 15 foot strip of tiles will require 15 times 12/13 = 13.846 tiles to cover it. This will have to be rounded to 14 tiles. That means that the 15 foot by 15 foot room will require 14 times 14 tiles = 196 tiles to cover it. And that's if you don't drop and break any or mess up one or more cuts.
How do you measure floor for ceramic tiles?
you use a tape
How many different rectangles can be made with 36 identical square tiles if you use all the tiles?
5 rectangular shapes. But 9 if, for example, a 3*12 rectangle is considered as being different from a 12*3 rectangle.
How many 3 cm by 4 cm tiles are needed to cover a rectangle that is 24X16?
The easiest way of doing this question is to draw a diagram. 8 lots of 3cm does into 24 so we can fit 8 tiles across. 4 lots of 4cm goes into 16 so we can fit 4 tiles down. The rectangle then has 8 tiles across and 4 down, 8 x 4=32 which means we use 32 tiles
