Présentation de 469.jps

-2.5 5.5 setxrange -0.5 3 setyrange 50 setxunit 50 setyunit /rtA {0 0} def /B {5 0} def /M {2.143 0} def /c {A B diamcercle} def 106.26 c cpoint /C defpoint /P {M B C orthoproj} def /Q {M A C orthoproj} def [A B C] polygone [C Q M P] polygone A C B angledroit /fillstyle {.5 setgray continu hachure} def [C Q M P] polygone* (A) A [1.5 dup] dltext (B) B [1.5 dup] drtext (C) C [1.5 dup] uctext (P) P [1.5 dup] urtext (Q) Q [1.5 dup] ultext (R) M [1.5 dup] dctext <latex> $x$ </latex> 1.2 0.7 [1.8 dup] dctexlabel <latex> $x$ </latex> 2.9 0.9 [1.8 dup] dctexlabel <latex> $\rm{Abb}.\,4\ \ a)$ </latex> -0.4 1.1 [2.0 dup] ultexlabel