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April 18, 2015

April 18, 2015

Posted by **Shadow** on Thursday, April 15, 2010 at 11:56pm.

How do I do this?

- Math -
**Reiny**, Friday, April 16, 2010 at 8:32amtake the slopes of lines AB, AC, and BC.

Are any of those 3 slopes opposite reciprocals of each other?

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