Circumscribed Triangle

Author

Eric W. Weisstein
February 22, 2003

This notebook downloaded from http://mathworld.wolfram.com/notebooks/PlaneGeometry/CircumscribedTriangle.nb.

For more information, see Eric's MathWorld entry http://mathworld.wolfram.com/CircumscribedTriangle.html.

©2005 Wolfram Research, Inc. except for portions noted otherwise

Initialization

<<PlaneGeometry`

Figure

t=Triangle[{{0,0},{1,0},{.3,.7}}];
Show[Graphics[{
t,
{Red,at=AnticevianTriangle[t,{.3,.3,.2}]},
PointLabels[Join[
Transpose[{VertexPoints[t],{"A","B","C"}}],
Append[#,Red]&/@Transpose[{VertexPoints[at],{"A'","B'","C'"}}]
],{PointSize[.02],LabelOffset->.07}]
}],AspectRatio->Automatic]