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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Four Points in a Plane

| Comment 7 of 9 |

Suggested solution - the four points are - the three points of an equilateral triangle and the center point of that trianlge.

Posted by Anthony on 2004-02-20 21:11:38

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