% Diagram by nilrem for PGDP project: Plane Geometry by G.A. Wentworth
% ***  Uses  epic  package   ***
% 023bbZ80.tex
% Pt.80. Fig.20. (32,10 )
\PGset[0.8em]
\begin{picture}  (32,10 )
\drawline( 5,  9   )( 1, 2 )(10  , 2 )         %FED left
\drawline(22,  9   )(22, 2 )(31  , 2 )         %CBA
\drawline(14,  6   )(22, 2 )(25.8, 8.65 )         %HBF right
\put(31     ,  1.8 ){$\scriptstyle A$}   %A
\put(21.6   ,  1.2 ){$\scriptstyle B$}   %B
\put(21.7   ,  9.2 ){$\scriptstyle C$}   %C
\put(10.1   ,  1.9 ){$\scriptstyle D$}   %D
\put( 0.2   ,  1.7 ){$\scriptstyle E$}   %E
\put( 5     ,  8.8 ){$\scriptstyle F$}   %F left
\put(25.7   ,  8.8 ){$\scriptstyle F$}   %F right
\put(13.2   ,  6   ){$\scriptstyle H$}   %H
\put(14     ,  0.2 ){{\footnotesize \textsc{Fig. 20.}}}
\end{picture}
\PGrestore
%
% ***  Uses  epic  package   ***
% 023ccZ80.tex
% Pt.80. Fig.21. ( 8, 9 )
\PGset[0.8em]
\begin{picture}  ( 8, 9 )
\drawline( 1,  7.5 )( 1, 2 )( 7  , 2 )         %DBA
\drawline( 3,  7   )( 1, 2 )( 6  , 4 )         %PBM
\drawline(1,2)(5,6) % BC
\put( 6.6   ,  1.2 ){$\scriptstyle A$}   %A
\put( 0.6   ,  1.2 ){$\scriptstyle B$}   %B
\put( 5.1   ,  6   ){$\scriptstyle C$}   %C
\put( 0.6   ,  7.6 ){$\scriptstyle D$}   %D
\put( 6     ,  3.8 ){$\scriptstyle M$}   %M
\put( 2.8   ,  7.2 ){$\scriptstyle P$}   %P
\put( 2     ,  0.2 ){{\footnotesize \textsc{Fig. 21.}}}
\end{picture}
\PGrestore