document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=427935>Question 427935</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the length of the diagnol of a coordinate plane with x- and y-axes labled 10 to -10. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #297522 by </B><A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><B>algebrahouse.com(1659)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><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=algebrahouse.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=297522\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \"What is the length of the diagnol of a coordinate plane with x- and y-axes labled 10 to -10.\"\r<BR>\n" );
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document.write( "A right triangle would be created with legs of 20 and 20, and a diagonal of x.\r<BR>\n" );
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document.write( "Pythagorean Theorem:<BR>\n" );
document.write( "a^2 + b^2 = c^2 {a and b are the legs and c is the hypotenuse (across from the right angle)}\r<BR>\n" );
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document.write( "20^2 + 20^2 = c^2 {substituted into the pythagorean theorem}<BR>\n" );
document.write( "400 + 400 = c^2 {squared the 20's}<BR>\n" );
document.write( "800 = c^2 {combined like terms on left}<BR>\n" );
document.write( "c = 28.28 {took square root of both sides}\r<BR>\n" );
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document.write( "the diagonal is approximately 28.28<BR>\n" );
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