document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=285376>Question 285376</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How would you find the length of x, if a triangle (has a 90 degree angle) had sides 15. and 20 cm long? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #206883 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=206883\">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( "Depends on whether the \"x\" is the measure of the hypotenuse or one of the legs of the right triangle.\r<BR>\n" );
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document.write( "If <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large x\"> is the measure of the hypotenuse, there are two ways to go about it.  You can recall that 3-4-5 is a Pythagorean triple and notice that 15 is 3 times 5 and 20 is 4 times 5 so the hypotenuse must be 5 times 5 or 25.  Or you can use the Pythagorean theorem to write:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ x\ =\ \sqrt{15^2\ +\ 20^2}\">\r<BR>\n" );
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document.write( "and do the indicated arithmetic.\r<BR>\n" );
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document.write( "On the other hand, if <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large x\"> is NOT the measure of the hypotenuse, then the hypotenuse must measure 20 and you need to solve:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ x\ =\ \sqrt{20^2\ -\ 15^2}\">\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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