In geometry, the five circles theorem states that, given five circles centered on a common sixth circle and intersecting each other chainwise on the same circle, the lines joining their second intersection points forms a pentagram whose points lie on the circles themselves.
![](http://up.wiki.x.io/wikipedia/commons/thumb/5/52/Five_circles_theorem.svg/240px-Five_circles_theorem.svg.png)
See also
editReferences
edit- Wells D (1991). The Penguin Dictionary of Curious and Interesting Geometry. New York: Penguin Books. pp. 79. ISBN 0-14-011813-6.