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Pile of Cannonballs (Posted on 2004-08-03) Difficulty: 3 of 5
If one stacks 10 cannonballs of diameter d in a pile (tetrahedron), what is the height of the pile?

No Solution Yet Submitted by ThoughtProvoker    
Rating: 3.0000 (2 votes)

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i'm a good stacker | Comment 3 of 12 |
Answer is 10d :)
  Posted by David on 2004-08-03 21:27:19
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