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A Tighter Fit (Posted on 2004-07-29) Difficulty: 3 of 5
A 10x10 square can obviously hold 100 unit circles (diameter=1) when arranged in rows and columns. What is the maximum number of non-overlapping unit circles a 10x10 square can hold if the circles are packed closer together?

See The Solution Submitted by Brian Smith    
Rating: 2.0000 (4 votes)

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re: Solution | Comment 18 of 19 |
(In reply to Solution by Missy)

Check your arithmetic: 10*6 + 5*9 = 105, not 114
  Posted by Brian Smith on 2004-08-27 08:13:36

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