% produced by fig2vect
prologues:=0;
labeloffset:=0;bbmargin:=0;
verbatimtex
\documentclass[12pt]{article}
\usepackage[latin1]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{textcomp}
\usepackage[intlimits]{amsmath}
\usepackage{amsfonts,amssymb,amscd}
% \usepackage{trfsigns}
\usepackage{mathptmx}
\usepackage[scaled=.92]{helvet}
\usepackage{courier}
\begin{document}
etex
beginfig(0)
% 10
path p;
p = (-0.0,0.0)
--(297.0,0.0)
--(297.0,297.0)
--(-0.0,297.0)
--cycle;
linecap:=0;
linejoin:=0;
pickup pencircle scaled 0.0;
draw p withcolor (1,1,1);
% 12
path p;
p = ((fullcircle scaled 270.0) yscaled 1.0) shifted (148.5,148.5);
pickup pencircle scaled 0.9;
draw p withcolor (0,0,0)
dashed dashpattern(on 0.72bp off 1.44bp on 0.9bp off 1.44bp
on 0.72bp);
% 19
path p;
p = (67.5,256.5)
--(13.5,148.5)
--(148.5,13.5);
draw p withcolor (0,0,0);
% 26
path p;
p = (151.86,16.92)
--(145.08,10.14);
draw p withcolor (0,0,0);
% 28
path p;
p = (145.08,16.92)
--(151.86,10.14);
draw p withcolor (0,0,0);
% 32
path p;
p = (16.86,151.92)
--(10.08,145.14);
draw p withcolor (0,0,0);
% 34
path p;
p = (10.08,151.92)
--(16.86,145.14);
draw p withcolor (0,0,0);
% 38
path p;
p = (64.08,259.92)
--(70.86,253.14);
draw p withcolor (0,0,0);
% 40
path p;
p = (70.86,259.92)
--(64.08,253.14);
draw p withcolor (0,0,0);
% 13
path p;
p = (283.5,283.5)
--(13.5,13.5);
draw p withcolor (0,0,0)
dashed dashpattern(on 0.72bp off 1.44bp on 0.72bp);
% 15
path p;
p = (283.5,94.5)
--(13.5,202.5);
draw p withcolor (0,0,0)
dashed dashpattern(on 0.72bp off 1.44bp on 0.72bp);
% 17
picture q;
q =
btex \mbox{\(\overrightarrow{r_1}\)} etex;
label.urt(q,((53.94,192.42)+(llcorner q))) withcolor (0,0,0);
% 18
picture q;
q =
btex \mbox{\(\overrightarrow{r_2}\)} etex;
label.urt(q,((94.5,81.06)+(llcorner q))) withcolor (0,0,0);
% 21
picture q;
q =
btex \mbox{\(M\)} etex;
label.urt(q,((141.72,155.28)+(llcorner q))) withcolor (0,0,0);
% 22
picture q;
q =
btex \mbox{\(A\)} etex;
label.urt(q,((70.8,246.42)+(llcorner q))) withcolor (0,0,0);
% 23
picture q;
q =
btex \mbox{\(B\)} etex;
label.urt(q,((16.8,145.2)+(llcorner q))) withcolor (0,0,0);
% 24
picture q;
q =
btex \mbox{\(C\)} etex;
label.urt(q,((151.8,16.92)+(llcorner q))) withcolor (0,0,0);
% 43
path p;
p = (((fullcircle cutafter ((0.0,0.0)--(-0.88,0.66))) rotated 126.87)
scaled 270.0) shifted (148.5,148.5);
draw p withcolor (0,0,0);
% 44
path p;
p = (81.0,81.0)
--(105.376,105.376);
color c;
c = (0,0,0);
pickup pencircle scaled 1.8;
draw p withcolor c;
path a;
ahangle:=28.07;
ahlength:=7.2;
a = arrowhead p;
fill a withcolor c;
draw a withcolor c;
% 47
path p;
p = (37.08,192.42)
--(67.4142,180.297);
color c;
c = (0,0,0);
draw p withcolor c;
path a;
a = arrowhead p;
fill a withcolor c;
draw a withcolor c;
endfig;
end