perplexus.info :: Geometry : Trapped!

Trapped! (Posted on 2004-02-19)

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)

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Question on the official solution

Comment 9 of 9 |

There appears to be some text missing here: m Then, m So, C' lies on the circle.

Please clarify, DJ.

Edited on March 5, 2010, 10:56 am

Posted by JayDeeKay on 2010-03-05 10:52:09

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