Présentation de isom_006a.jps

/syracuse/bbgraf/albums/geometrie_2nd/isom_006a.jpg
autocrop 20 setxunit /A {0 0} def /cerc1 {A 3} def /cerc2 {A 5} def /F {-100 cerc1 cpoint} def /E {-140 cerc1 cpoint} def /B {-20 cerc2 cpoint} def /C {20 cerc2 cpoint} def .9 setlinewidth [A E B] polygone .7 setlinewidth .5 setgray [A F C] polygone noir .5 setlinewidth E A F .8 (-) tripointarc B A C .8 (-) tripointarc F A B .8 (=) tripointarc setTimesItalic (A) A ultext (B) B drtext (C) C urtext (E) E dltext (F) F drtext 8 setfontsize setSymbol (a) 0 A 1.1 cpoint cctext (a) -120 A 1.1 cpoint cctext (b) -60 A 1.1 cpoint cctext