<div dir="ltr"><div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif"><span class="gmail-tlid-translation gmail-translation"><span title="" class="gmail-">Hi,</span><br><span title="" class="gmail-">I would like to reproduce the attached figure.</span> <span title="" class="gmail-">My problem is to create the points of intersection between the circles.</span> <span title="" class="gmail-">It seems that my approach is not the right one.</span><br><span title="">Thank you.</span><br><span title="">Fabrice</span></span></div><div class="gmail_default" style="font-family:verdana,sans-serif"><span class="gmail-tlid-translation gmail-translation"><span title=""><br></span></span></div><div class="gmail_default" style="font-family:verdana,sans-serif"><span class="gmail-tlid-translation gmail-translation"><span title="">\starttext<br>\startMPcode<br>  path p, q, r, b ;<br>  p:= fullcircle scaled 6cm ;<br>  q:= fullcircle scaled 4cm shifted (2.5cm,2cm) ;<br>  r:= fullcircle scaled 4cm shifted (-2.5cm,2cm);<br>  b:= fullcircle scaled 2cm shifted (0,-3cm);<br>  pair A, B ;<br>  A:= p intersectionpoint r ;<br>  B:= p intersectionpoint r ;<br>  path u ;<br>  u:= A--B--cycle ;<br>  draw p ;<br>  draw q ;<br>  draw r ;<br>  draw b ;<br>  draw u numberstriped (.25,15,5) withcolor magenta ;<br>\stopMPcode<br>\stoptext<br></span></span></div></div></div>