Spieker Circle

$\begin{figure}\begin{center}\BoxedEPSF{spieker_circle.epsf}\end{center}\end{figure}$

The Incircle of the Medial Triangle. The center of the Spieker circle is called the Spieker Center.

See also Incircle, Medial Triangle, Spieker Center

References

Johnson, R. A. Modern Geometry: An Elementary Treatise on the Geometry of the Triangle and the Circle. Boston, MA: Houghton Mifflin, pp. 226-228, 1929.