Math Forum http://mathforum.org/kb List of forum topics en Dynamic Geometry Sketches site moved and updated http://mathforum.org/kb/thread.jspa?messageID=7657817&tstart=0#7657817 online investigations and learning opportunities for both learners]]> Feb 1, 2012 7:27:18 AM Feb 1, 2012 7:27:18 AM profmd@mweb.co.za 0