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Topic:  Runners Activity: Some Observations 
Related Item:  http://mathforum.org/mathtools/tool/13171/ 
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Subject:  RE: Runners Activity: Some Observations 
Author:  lanius 
Date:  Jun 27 2006 
rectangles. So I wonder if it's strictly aesthetic. Interesting question.
On Jun 27 2006, Chris T. wrote:
> On Jun 26 2006, ihor wrote:
> Especially since you are trying to do
> it in an arena where the x and
> y units are not the same. The
> usual way to get linear equations to
> be perpendicular is to have
> one slope be the negative reciprocal of
> other. With the
> limitation of the stepping that only works when the
> step size is
> 1, but only if the X and Y unit intervals are the same.
>
> Interesting!
Thanks for the feedback, ihor. Problems like this
> inspire me to put on my technology design hat and wonder why they
> used rectangles instead of squares for the grid. I think they did
> it because the rectangles match the dimensions of the computer
> screen, giving more space on the xaxis than they would have
> otherwise. Both the squares and rectangles methods have their
> advantages and disadvantages.
Best,
Chris
 
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