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Triangular Cubes (Posted on 2004-12-04) Difficulty: 2 of 5

Three points have been chosen randomly from the vertices of a cube. What is the probability that they form (a) an acute triangle; (b) a right triangle?

See The Solution Submitted by Erik O.    
Rating: 3.0000 (2 votes)

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Some Thoughts Triangulars cubes REVISITED Comment 11 of 11 |
 

How about that!

 

 

 

Trying to solve randomly chosen " flobrems"   I've run into this one and solved it  immediately without  P&P .

....see the  official solution

 

      What?   2  and 1/2 years ago I could not reason like that? 

.

 

Edited on November 1, 2010, 5:53 am
  Posted by Ady TZIDON on 2010-08-16 14:02:38

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