A triangle 
is said to be inscribed in a triangle 
if 
lies on 
, 
lies on 
, and 
lies on 
(Kimberling 1998, p. 184). Examples include the Cevian
triangle, contact triangle, extouch
triangle, incentral triangle, medial
triangle, Miquel triangle, orthic
triangle, pedal triangle, and first
Yff triangle.
See also
Circumscribed Triangle
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References
Kimberling, C. "Triangle Centers and Central Triangles." Congr. Numer. 129, 1-295, 1998.Referenced on Wolfram|Alpha
Inscribed Triangle
Cite this as:
Weisstein, Eric W. "Inscribed Triangle."
From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/InscribedTriangle.html
Subject classifications
