The three circular triangles , , , and obtained by extending the arcs of a circular triangle into complete circles.
Associated Triangles
See also
Circular TriangleExplore with Wolfram|Alpha
References
Lachlan, R. An Elementary Treatise on Modern Pure Geometry. London: Macmillian, pp. 251-252, 1893.Referenced on Wolfram|Alpha
Associated TrianglesCite this as:
Weisstein, Eric W. "Associated Triangles." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/AssociatedTriangles.html