Présentation de isom_002.jps

/syracuse/bbgraf/albums/geometrie_02/isom_002.jpg
-1 6 setyrange -4 4 setxrange /a 3 def /x 1 3 div def /B {a neg 0} def /C {a 0} def /A {C B 60 rotatepoint} def /P {x A B ABpoint} def /M {x B C ABpoint} def /N {x C A ABpoint} def %%[A B C P M N] points [P M N] polygone 1.5 setlinewidth [A B C] polygone A P 1 marked B M 1 marked N C 1 marked setTimesItalic (A) A utext (B) B dltext (C) C drtext (P) P ultext (M) M dtext (N) N utext