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Trapped! (Posted on 2004-02-19) Difficulty: 4 of 5
Choose any four points in a plane, such that no three are collinear and the four do not lie on a circle.

Show that one of the points must lie within the circle formed by the other three.

See The Solution Submitted by DJ    
Rating: 4.4444 (9 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Question on the official solutionJayDeeKay2010-03-05 10:52:09
re(2): 'Within' includes 'on'?TomM2004-02-20 22:21:43
Four Points in a PlaneAnthony2004-02-20 21:11:38
Solutionre: a proofTomM2004-02-20 20:24:59
No Subjecttan2004-02-20 00:51:12
Some ThoughtsEuler, Feuerbach, et. al.Penny2004-02-19 18:59:18
Some Thoughtsre: 'Within' includes 'on'?Federico Kereki2004-02-19 15:09:40
Some Thoughts'Within' includes 'on'?e.g.2004-02-19 14:31:20
Solutiona proofCharlie2004-02-19 14:17:56
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