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%* -------------------------------------------
%* mathsPIC 2.1
%* Copyright (c) RWD Nickalls 1999-2000
%* Email: dicknickalls@compuserve.com
%* Date (m/d/y) : 11-05-2000  21:04:01
%* Command Line: /b/s  MPICM08B.M
%* Input Filename:  MPICM08B.M
%* Output Filename: MPICM08B.MT
%* -------------------------------------------
%% mPICm08b.m (figure 8b)
%\documentclass[a4paper]{article}
%\usepackage{pictexwd}
%\begin{document}
%%-------------------
\beginpicture
%% paper{units(mm),xrange(0,45),yrange(0,45)}  %, axes(LB), ticks(10,10)}
\setcoordinatesystem units < 1mm, 1mm>
\setplotarea x from  0 to  45, y from  0 to  45
%% point(P){5,10}[$P$,5]  ( 5 , 10 )  
%% point(Q){P,polar(30,90deg)}[$Q$,5]  ( 5 , 40 )  
%% point(R){Q,polar(40,0deg)}[$R$,5]  ( 45 , 40 )  
%% point(T){P,polar(30,0deg)}[$T$,5]  ( 35 , 10 )  
%% drawPoints(PQRT)  
\put {$P$} at  5  10  %% P
\put {$Q$} at  5  40  %% Q
\put {$R$} at  45  40  %% R
\put {$T$} at  35  10  %% T
%% drawArrows(PQ,QR,PT,TR,PR)  
\arrow < 2mm>  [ .2679492, .7279404] from   5  15 to  5  35
\arrow < 2mm>  [ .2679492, .7279404] from   10  40 to  40  40
\arrow < 2mm>  [ .2679492, .7279404] from   10  10 to  30  10
\arrow < 2mm>  [ .2679492, .7279404] from   36.58114  14.74342 to  43.41886  35.25658
\arrow < 2mm>  [ .2679492, .7279404] from   9  13 to  41  37
%% point(P1){midpoint(PQ)}  ( 5 , 25 )  
%% text($p_1$){P1,shift(3,0)}  
\put {$p_1$} at  8  25
%% point(P2){midpoint(PT)}  ( 20 , 10 )  
%% text($p_2$){P2,shift(0,-3)}  
\put {$p_2$} at  20  7
%% point(P3){midpoint(PR)}  ( 25 , 25 )  
%% text($p_3$){P3,shift(2,-2)}  
\put {$p_3$} at  27  23
%% point(T1){midpoint(TR)}  ( 40 , 25 )  
%% text($t$){T1,shift(3,0)}  
\put {$t$} at  43  25
%% point(Q1){midpoint(QR)}  ( 25 , 40 )  
%% use a macro for the label
\newcommand{\q}{$q \star q \star q \star q \star q$}
%% text(\q){Q1,shift(-1,3)}  
\put {\q} at  24  43
\endpicture
%%------------------
%\end{document}