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		   2 items are filed under this topic. 
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    The triangle inequality | 
  2010-01-11 | 
   
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  From Nazrul: If A and B are any two vectors, then how can I prove that magnitude of (A+B)<=magnitude of A+magnitude of B. Please show me the process in details. Thank you. Answered by Robert Dawson. | 
   
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    Altitudes of scalene triangles | 
  2007-05-17 | 
   
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  From Chris: Two of the altitudes of a scalene triangle ABC have length 4 and 12.
 If the length of the third altitude is also an integer, what is the biggest
 that it can be? Answered by J. Chris Fisher. | 
   
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