The Locus of the Vertex of a Triangle on a given base and with a
given Brocard Angle is a Circle on either side of . From the center , the base
subtends the Angle . The Radius of the Circle is

**References**

Johnson, R. A. *Modern Geometry: An Elementary Treatise on the Geometry of the Triangle and the Circle.* Boston, MA:
Houghton Mifflin, pp. 287-290, 1929.

© 1996-9

1999-05-25