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Add one more circle (Posted on 2017-05-21) Difficulty: 4 of 5
A 2 by X rectangle can obviously have 2*X circles of diameter 1 placed inside it without overlapping. What is the smallest integer X where a 2 by X box can have 2*X+1 non-overlapping circles placed inside it?

No Solution Yet Submitted by Brian Smith    
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  Subject Author Date
Proof it's possible but this isn't the smallestJer2019-04-07 17:50:04
re: StumpedJer2017-05-23 07:32:14
re: Then again...on second thoughtCaleb2017-05-23 01:04:26
Then again...on second thoughtCaleb2017-05-23 01:03:13
re: StumpedCaleb2017-05-23 01:01:57
StumpedSteve Herman2017-05-21 20:57:38
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