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?

(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