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Topic:
how many coins?
Replies:
5
Last Post:
Apr 8, 1995 3:01 PM




Re: how many coins?
Posted:
Apr 7, 1995 12:38 PM


On Fri, 7 Apr 1995, Tad Watanabe wrote:
> > Does anyone have a proof to the following: > > Given a rectangular region of 2cm by 1000cm. You can fit 2011 (I think > it was 2011. It is more than 2000) coins of 1cm diameter in this region. > > On the surface, it appears that the answer should be 2000, but someone at > the Bell Lab apparently proved that you can fit more (which, by the way, > is very significant for communication folks since each "coin" can be a > fiberoptic cable in an underground cable cases). > > ************************************************************************
There are three rows of coins instead of two
.. .. . . . . . . .. . . .. . . .. .. . . .. . . .. . . . . . . .. .. There are more coins packed into the middle row then are lost by the missing pairs of coins.



