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Simple distances (Posted on 2006-05-01) Difficulty: 3 of 5
For this you will need four pennies. Arrange the pennies so that the centers of all four are equidistant from each other.

Example:

(1) (2) (3) (4)

This will not work because penny 1 and penny 4 are farther apart than penny 1 and penny 2.

See The Solution Submitted by Stephen    
Rating: 1.8571 (7 votes)

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re: Maybe a Solution Comment 8 of 8 |
(In reply to Maybe a Solution by Joel)

Good guess... but I wasn't calling for "Horizontal distance," simply distance. So in your case the bottom and top pennies would be farther away from eachother than the top two.
  Posted by Stephen on 2006-05-13 14:13:32

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