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December 21, 2014

December 21, 2014

Posted by **Lee** on Friday, May 6, 2011 at 8:06am.

I don't know how to do this.

- Math -
**Reiny**, Friday, May 6, 2011 at 8:08amonly one way, lay them in a row.

- Math -
**Lee**, Friday, May 6, 2011 at 8:21amBut I don't know for example,say you labeled each tile A, B, and C. Is there an option to lay them in different orders, or does that not matter because they are all the same tile? Also is another way, to lay it down as a coloum instead of a row?

- Math -
**Reiny**, Friday, May 6, 2011 at 8:38amWhen I said " lay them in a row" I implied in a line.

Row or column would give you the same rectangle

Since you have an odd number, any other way would result in an "L" shape, which is not a rectangle.

- Math -
**Lee**, Friday, May 6, 2011 at 8:40amSo mixing them up doesn't make it another option?

I'm assuming that this problem is a trick question.

- Math -
**Reiny**, Friday, May 6, 2011 at 8:45amI don't know what you mean by "mixing them up". I would assume all 3 tiles would look the same.

You are basically looking for the number of ways that 2 numbers will multiply to get 3.

1x3 is it

e.g. if you had 12 tiles, you could make the following rectangles

1x12

2x6

3x4

So 3 different-shaped rectangles,

(to me a 2x6 rectangle has the same shape as a 6x2 rectangle)

- Math -
**Lee**, Friday, May 6, 2011 at 8:49amOkay I understand. I just wasn't sure if rearranging the tiles (putting them in a different order) would be considered another rectangle. But I get it now. With the answer being 1.

Thank you.

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