document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=751141>Question 751141</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the perimeter and area of a square with diagonal length of 18 meters. give answer in simplest radical.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #457027 by </B><A HREF=/tutors/aboutme.mpl?userid=FrankM><B>FrankM(1040)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=FrankM><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=FrankM><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=457027\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If the diagonal of the square is given, we use a^2+b^2=c^2 to get one side. <BR>\n" );
document.write( "(But a=b for a square, so it's simply 2a^2)\r<BR>\n" );
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document.write( "2a^2=18^2\r<BR>\n" );
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document.write( "2a^2=324\r<BR>\n" );
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document.write( "a^2= 162 (Note - 162 = 81*2)\r<BR>\n" );
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document.write( "a= 9sqr(2) this is one side.\r<BR>\n" );
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document.write( "The area is a^2 or 162sq meters.\r<BR>\n" );
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document.write( "The perimeter is 4*9sqr(2) or 36sqr(2)  </SPAN>\n" );
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