Lemoine geometry is that part of triangle geometry concerned with symmedians and symmedian points.
Lemoine Geometry
See also
Brocard Geometry, Lemoine-Brocard Geometry, Symmedian, Symmedian Point, Triangle GeometryExplore with Wolfram|Alpha
References
Gallatly, W. "Lemoine Geometry." Ch. 10 in The Modern Geometry of the Triangle, 2nd ed. London: Hodgson, pp. 86-93, 1913.Referenced on Wolfram|Alpha
Lemoine GeometryCite this as:
Weisstein, Eric W. "Lemoine Geometry." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/LemoineGeometry.html