A Woo circle is an Archimedean circle with center on the Schoch line and tangent to certain other circles.
An applet for investigating Woo circles and Schoch lines has been prepared by Schoch (2005).
Woo Circle
See also
Arbelos, Archimedean Circle, Schoch LineExplore with Wolfram|Alpha
References
Okumura, H. and Watanabe, M. "The Archimedean Circles of Schoch and Woo." Forum Geom. 4, 27-34, 2004. http://forumgeom.fau.edu/FG2004volume4/FG200404index.html.Schoch, T. "Arbelos: The Woo Circles." http://www.retas.de/thomas/arbelos/woo.html.Referenced on Wolfram|Alpha
Woo CircleCite this as:
Weisstein, Eric W. "Woo Circle." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/WooCircle.html