document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=215349>Question 215349</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the perimeter of a square is 20 cm. find the length of the diangonal. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #162810 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10858)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=162810\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Since the perimeter of the square is 20 cm, then each side = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20%2F4+=+5 ALIGN=MIDDLE  ALT=\"20%2F4+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" > cm\r<BR>\n" );
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document.write( "By letting diagonal equal D, and using the Pythagorean formula, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5E2+%2B+b%5E2+=+c%5E2 ALIGN=MIDDLE  ALT=\"a%5E2+%2B+b%5E2+=+c%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, we get: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%5E2+%2B+5%5E2+=+D%5E2 ALIGN=MIDDLE  ALT=\"5%5E2+%2B+5%5E2+=+D%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D%5E2+=+50 ALIGN=MIDDLE  ALT=\"D%5E2+=+50\"   DISABLED_style= \"max-width:90%; height:auto;\" > ------- <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D+=+sqrt%2850%29 ALIGN=MIDDLE  ALT=\"D+=+sqrt%2850%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 7.07\r<BR>\n" );
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document.write( "Therefore, length of the diagonal, or D = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%287.07%29 ALIGN=MIDDLE  ALT=\"highlight_green%287.07%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > cm.<BR>\n" );
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