40 setxunit
7.5 setborder
90 setangle_repere
-2.5 4.5 setxrange
-2.5 4.5 setyrange
1 1 settkstep
1 1 setmkstep
ticks
marks
traceaxes
axesarrow
unites
/A {2 0} def
/B {4 0} def
/O {0 0} def
/A' {0 2} def
/E {1 -1.732} def
/E' {1.732 1} def
/F {1 1.732} def
/D {2 2} def
/D' {-2 2} def
[A B D E F A' E' D'] points
[O D B] polygone
[O E A F] polygone
[E E' D'] polygone
(A) A drtext
(B) B drtext
(O) O drtext
(A') A' drtext
(D) D urtext
(E') E' drtext
(D') D' drtext
(E) 1 -1.76  drtext
(F) F urtext
A 2 cercle
A' 2 cercle