perplexus.info :: Geometry : Only Isosceles

Only Isosceles (Posted on 2005-02-13)

Arrange 8 points in 3-space so that for each of the 56 triples of points that they determine, at least two of the three distances between points in the triple are equal.

See The Solution Submitted by David Shin

Rating: 4.5000 (4 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

Great problem

Comment 6 of 6 |

Once a pentagon is tried, the solution becomes apparent.

Posted by Charley on 2005-05-12 16:56:46

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