<html><head></head><body><div style="color:#000; background-color:#fff; font-family:lucida console, sans-serif;font-size:16px"><div class="qtdSeparateBR"><br><br></div><div class="yahoo_quoted" id="yui_3_16_0_1_1476150299819_2918" style="display: block;"><div style="font-family: lucida console, sans-serif; font-size: 16px;" id="yui_3_16_0_1_1476150299819_2917"><div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_1_1476150299819_2916"><div class="y_msg_container" id="yui_3_16_0_1_1476150299819_2915"><div dir="ltr" id="yui_3_16_0_1_1476150299819_3177"><span id="yui_3_16_0_1_1476150299819_3156" lang="en"><span id="yui_3_16_0_1_1476150299819_3157">Hello everyone</span><span id="yui_3_16_0_1_1476150299819_3158">,</span> <span id="yui_3_16_0_1_1476150299819_3159">I have</span> <span id="yui_3_16_0_1_1476150299819_3160">a problem using</span> <span id="yui_3_16_0_1_1476150299819_3161">"\</span> <span id="yui_3_16_0_1_1476150299819_3162">pstRightAngle</span><span id="yui_3_16_0_1_1476150299819_3163">"</span><span id="yui_3_16_0_1_1476150299819_3164">,</span> <span id="yui_3_16_0_1_1476150299819_3165">draw an arrow</span> <span id="yui_3_16_0_1_1476150299819_3166">instead of the</span> <span id="yui_3_16_0_1_1476150299819_3167">right angle.</span> <span id="yui_3_16_0_1_1476150299819_3168">I</span><span id="yui_3_16_0_1_1476150299819_3169">'m using</span> <span id="yui_3_16_0_1_1476150299819_3170">TeXLive</span> <span id="yui_3_16_0_1_1476150299819_3171">2016</span> <span id="yui_3_16_0_1_1476150299819_3172">(updated</span><span id="yui_3_16_0_1_1476150299819_3173">)</span>.</span></div><div dir="ltr"><span id="yui_3_16_0_1_1476150299819_3156" lang="en">A<span id="yui_3_16_0_1_1476150299819_3174">ny idea</span> <span id="yui_3_16_0_1_1476150299819_3175">how to solve it</span><span id="yui_3_16_0_1_1476150299819_3176">?</span></span></div><div dir="ltr"><span id="yui_3_16_0_1_1476150299819_3156" lang="en"><span id="yui_3_16_0_1_1476150299819_3176"><br></span></span></div><div dir="ltr" id="yui_3_16_0_1_1476150299819_3189"><span id="yui_3_16_0_1_1476150299819_3156" lang="en"><span id="yui_3_16_0_1_1476150299819_3176">(MWE)</span></span></div><div dir="ltr" id="yui_3_16_0_1_1476150299819_3190"><span id="yui_3_16_0_1_1476150299819_3156" lang="en"><span id="yui_3_16_0_1_1476150299819_3176"><br></span></span></div><div dir="ltr" id="yui_3_16_0_1_1476150299819_3203"><span id="yui_3_16_0_1_1476150299819_3156" lang="en"><span id="yui_3_16_0_1_1476150299819_3176">\documentclass{article}<br id="yui_3_16_0_1_1476150299819_3251">\usepackage{pst-eucl,,pstricks-add}%<br id="yui_3_16_0_1_1476150299819_3252">\begin{document}<br id="yui_3_16_0_1_1476150299819_3253"><br id="yui_3_16_0_1_1476150299819_3254">\begin{pspicture}(0,0)(5.72,3.8)<br id="yui_3_16_0_1_1476150299819_3255">\psset{PointSymbol=none,RightAngleSize=0.15,PointName=none}<br id="yui_3_16_0_1_1476150299819_3256">\scriptsize<br id="yui_3_16_0_1_1476150299819_3257">\psaxes[ticks=none,labels=none]{<->}(3.48,1.64)(0,0)(5.72,3.8)[$x$,-110][$y$,-40]<br id="yui_3_16_0_1_1476150299819_3258">\pstGeonode(1.2,1.64){A}(1.84,0.44){B}(4.14,1.64){C}(3.48,2.82){D}%<br id="yui_3_16_0_1_1476150299819_3259">\pstRightAngle[linecolor=red]{A}{D}{C}% fail<br id="yui_3_16_0_1_1476150299819_3260">\pstRightAngle{D}{C}{B}%<br id="yui_3_16_0_1_1476150299819_3261">\pstRightAngle{C}{B}{A}%<br id="yui_3_16_0_1_1476150299819_3262">\pstRightAngle{B}{A}{D}%<br id="yui_3_16_0_1_1476150299819_3263">\pspolygon(A)(B)(C)(D)<br id="yui_3_16_0_1_1476150299819_3264">\uput{5pt}[120](A){$A(-8,0)$}<br id="yui_3_16_0_1_1476150299819_3265">\uput{5pt}[d](B){$B(a,b)$}<br id="yui_3_16_0_1_1476150299819_3266">\uput{5pt}[-70](C){$C(2,0)$}<br id="yui_3_16_0_1_1476150299819_3267">\uput{5pt}[ur](D){$D(0,c)$}<br id="yui_3_16_0_1_1476150299819_3268">\end{pspicture}<br id="yui_3_16_0_1_1476150299819_3269"><br id="yui_3_16_0_1_1476150299819_3270">\end{document}</span></span></div><div dir="ltr" id="yui_3_16_0_1_1476150299819_3276"><span id="yui_3_16_0_1_1476150299819_3156" lang="en"><span id="yui_3_16_0_1_1476150299819_3176"><br></span></span></div><div dir="ltr" id="yui_3_16_0_1_1476150299819_3277"><span id="yui_3_16_0_1_1476150299819_3156" lang="en"><span id="yui_3_16_0_1_1476150299819_3176">Saludos<br></span></span></div><br></div> </div> </div> </div></div></body></html>