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Sunday 28th November 2004
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These graphics were taken from LaTeX Graphics
Triangle with circumscribed, inscribed, adjacent and Feuerbach circles
{166.18}
\pscircle[linecolor=yellow](250, 197){75.42}
% Adjacent circles
\pscircle[linestyle=dashed, linecolor=green](476, 135){157.68}
\pscircle[linestyle=dashed, linecolor=green](-32, -22){266.53}
\pscircle[linestyle=dashed, linecolor=green](132, 579){315.92}
% triangle
\psset{linewidth=1pt}
\pspolygon(43, 253)(361, 283)(287, 77)
% nine-points circle (Feuerbach)
\pscircle[linestyle=dotted, linecolor=red](242, 195){83.09}
\end{pspicture}](/steve/wordpress/latexrender/pictures/e025fb66adc45d6e2154d7c6d94da956.gif "\psset{unit=.25pt}
\begin{pspicture}*(420, 420)
\psset{linewidth=.4pt}
% Frame
\pspolygon(0, 0)(420, 0)(420, 420)(0, 420)
% Circumscribed circle and inscribed circle
\pscircle[linecolor=blue](206, 222){166.18}
\pscircle[linecolor=yellow](250, 197){75.42}
% Adjacent circles
\pscircle[linestyle=dashed, linecolor=green](476, 135){157.68}
\pscircle[linestyle=dashed, linecolor=green](-32, -22){266.53}
\pscircle[linestyle=dashed, linecolor=green](132, 579){315.92}
% triangle
\psset{linewidth=1pt}
\pspolygon(43, 253)(361, 283)(287, 77)
% nine-points circle (Feuerbach)
\pscircle[linestyle=dotted, linecolor=red](242, 195){83.09}
\end{pspicture}")