document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=261510>Question 261510</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how to classify a quadrilateral </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #192682 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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/cgi-bin/show-face.mpl?user=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=192682\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Garamond\" size=\"+2\">\r<BR>\n" );
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document.write( "Any polygon with exactly 4 sides is a quadrilateral.  After all, that is what the word quadrilateral means.  Quadri means 4 and lateral means side.\r<BR>\n" );
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document.write( "If no pair of sides is parallel, then the figure is a general quadrilateral or it is a kite.  It is a kite if it has two pairs of adjacent sides that are of equal measure.  It is a general quadrilateral otherwise.\r<BR>\n" );
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document.write( "If one pair of sides is parallel, but the other is not parallel, then the figure is a trapezoid.  That is, unless you live in the UK or otherwise speak British rather than American English, in which case it is a trapezium.\r<BR>\n" );
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document.write( "If the figure has two pairs of parallel sides the figure is a parallelogram.\r<BR>\n" );
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document.write( "A parallelogram with 4 sides of equal measure is a rhombus.\r<BR>\n" );
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document.write( "A rhombus with 4 interior angles of equal measure is a square.\r<BR>\n" );
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document.write( "A general parallelogram (not a rhombus) with 4 interior angles of equal measure is a rectangle.\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi} + 1 = 0\"><BR>\n" );
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