Présentation de rect_006.jps

/syracuse/bbgraf/albums/geometrie_2nd/rect_006.jpg
autocrop -10 8 setxrange -5 7 setyrange /A {0 0} def /B {0 4.5} def /C {-9 3 sqrt mul 2 div 0} def [A B C] polygone C A B angledroit C B A 1.2 (-) tripointarc setTimesItalic (A) A drtext (B) B urtext (C) C dltext setTimes (60°) -120 B 1.2 cpoint dltext <tex> $$ {2\sqrt 3} $$ </tex> A B milieu [1.3 dup] crtexlabel