% Diagram by nilrem for PGDP project: Plane Geometry by G.A. Wentworth
% ***  Uses  epic  package   ***
% 026aaZ90.tex
% Pt.90. Fig.a. (22,11 )
\PGset[0.8em]
\begin{picture} (22,9 )
\drawline(1,1)(21,1) % ACB
\drawline(11,1)(14,8.5) % CO
\dashline[80]{0.2}(11, 1 )(21, 3)  %CF
\put( 0.6   ,  0.2 ){$\scriptstyle A$}   %A
\put(20.5   ,  0.2 ){$\scriptstyle B$}   %B
\put(10.6   ,  0.2 ){$\scriptstyle C$}   %C
\put(21     ,  2.7 ){$\scriptstyle F$}   %F
\put(14     ,  8.1 ){$\scriptstyle O$}   %O
\end{picture}
\PGrestore