document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=472293>Question 472293</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Triangle ABC is an equilateral triangle. <BR>\n" );
document.write( "AD=10<BR>\n" );
document.write( "What is the length of CD? Give your answer to the nearest whole number.\r<BR>\n" );
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document.write( "(LINK IS TO DIAGRAM OF TRIANGLE)<BR>\n" );
document.write( "http://www.mrlarkins.com/geometry/InteractiveTextbook/Ch08/08-04/images/Ch08_Sec04_im009.gif<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #323831 by </B><A HREF=/tutors/aboutme.mpl?userid=sudhanshu_kmr><B>sudhanshu_kmr(1152)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=sudhanshu_kmr><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=sudhanshu_kmr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=323831\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Length of DB= 10\r<BR>\n" );
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document.write( "length of CB = 20 \r<BR>\n" );
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document.write( "using Pythagoras theorem ...\r<BR>\n" );
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document.write( "CD = sqrt(20^2 - 10^2)\r<BR>\n" );
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document.write( "  = sqrt (300)\r<BR>\n" );
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document.write( "  = 10 (root 3)\r<BR>\n" );
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document.write( " = 17.32 (approx)<BR>\n" );
document.write( "  </SPAN>\n" );
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