document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=577047>Question 577047</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do you know if a quadrilateral is a parallelogram?<BR>\n" );
document.write( "  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #370052 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=370052\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A quadrilateral is a parallelogram when it has 2 sets of parallel sides (which are opposite one another) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );