\documentclass[border=10pt]{standalone}\usepackage{asymptote}\begin{document}\begin{asy}[width=\the\linewidth,inline=true]settings.outformat="pdf";settings.render=0;settings.prc=false;import three;import solids;unitsize(1cm);currentprojection = orthographic(5,4,2);path3 x = (-1,0,0)--(4.5,0,0);draw(x,EndArrow3);label("$x$",(4.7,0,0));path3 y = (0,-1,0)--(0,4.5,0);draw(y,EndArrow3);label("$y$",(0,4.7,0));path3 z = (0,0,-1)--(0,0,4.5);draw(z,EndArrow3);label("$z$",(0,0,4.7));label("$O$",(0,-0.3,-0.5));path3 a = arc(O,3,0,0,90,0);draw(a);revolution s = revolution(O,a,Z,0,90);draw(surface(s),opacity(0.5)+cyan,light(0));path3[] b = box(O,(2.2,2.2,3));draw(b,dashed);\end{asy}\end{document}
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