Exeter Point
Define 
to be the point (other than the Vertex 
) where the Medianthrough meets the Circumcircle of 
, and define 
and 
similarly. Then the Exeter point is thePerspective Center of the Triangle 
and the Tangential Triangle. It has Triangle CenterFunction
References
Kimberling, C. ``Central Points and Central Lines in the Plane of a Triangle.'' Math. Mag. 67, 163-187, 1994. Kimberling, C. ``Exeter Point.''http://cedar.evansville.edu/~ck6/tcenters/recent/exeter.html. Kimberling, C. and Lossers, O. P. ``Problem 6557 and Solution.'' Amer. Math. Monthly 97, 535-537, 1990.
- Trinomial Triangle
- Triomino
- Triple
- Triple-Free Set
- Triple Jacobi Product
- Triple Point
- Triple Scalar Product
- Triplet
- Trip-Let
- Triple Vector Product
- Triplicate-Ratio Circle
- Trisected Perimeter Point
- Trisection
- Trisectrix
- Trisectrix of Catalan
- Trisectrix of Maclaurin
- Triskaidecagon
- Triskaidekaphobia
- Tritangent
- Tritangent Triangle
- Trivial
- Trivialization
- Trochoid
- Tromino
- True