The **pivot theorem** states that given any triangle ABC, and any points DEF on BC, AC, AB respectively, then the three circles AEF, BDF and CDE have a common point.

Last modified on 28 May 2011, at 17:02
# Trigonometry/Circles and Triangles/The Pivot theorem

The **pivot theorem** states that given any triangle ABC, and any points DEF on BC, AC, AB respectively, then the three circles AEF, BDF and CDE have a common point.