TOPICS
Search

First Yff Triangle


FirstYffTriangle

The first Yff triangle is the Cevian triangle DeltaA^'B^'C^' of the first Yff point. The area of the first Yff triangle is

 Delta=(u^3)/(2R),

where R is the circumradius of the reference triangle. This is the same area as the second Yff triangle.


See also

Second Yff Triangle, Yff Central Triangle, Yff Contact Triangle, Yff Points

Explore with Wolfram|Alpha

References

Yff, P. "An Analog of the Brocard Points." Amer. Math. Monthly 70, 495-501, 1963.

Referenced on Wolfram|Alpha

First Yff Triangle

Cite this as:

Weisstein, Eric W. "First Yff Triangle." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/FirstYffTriangle.html

Subject classifications