Brocard geometry is that part of triangle geometry concerned with the Brocard points, Brocard triangles, etc.
Brocard Geometry
See also
Brocard Angle, Brocard Points, Lemoine Geometry, Lemoine-Brocard Geometry, Triangle GeometryExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Brocard Geometry." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/BrocardGeometry.html