document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=273408>Question 273408</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do you classify a shape  as a sqaure,rectangle, rhombus,or parllelogram? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #199748 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=199748\">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( "A parallelogram is a quadrilateral (four-sided) polygon with two pairs of parallel sides.\r<BR>\n" );
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document.write( "A rhombus is a parallelogram with all 4 sides of equal measure.\r<BR>\n" );
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document.write( "A rectangle is a parallelogram with four vertices that are right angles.  It is sufficient to prove that one vertex has a right angle because if it does, the other three have to be right angles as well.  (In any parallelogram opposite angles are equal and adjacent angles are supplementary -- so if one angle is 90, the opposite is 90 and both adjacent angles are also 90 because 180 - 90 is 90.)\r<BR>\n" );
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document.write( "A square is either a rectangle with all 4 sides of equal measure, or a rhombus with 4 vertices that are right angles.  Again, proof of one right angle is sufficient.\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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