document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=600423>Question 600423</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The problem that i struggle with: \r<BR>\n" );
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document.write( "Given that angleC= 45 degree, a=20 and b=17. What is the length of side c in angleABC to the nearest tenth? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #379325 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=379325\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given that angleC= 45 degree, a=20 and b=17. What is the length of side c in angleABC to the nearest tenth?<BR>\n" );
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document.write( "Use Law of cosines: <BR>\n" );
document.write( "c^2=a^2+b^2-2abcosC<BR>\n" );
document.write( "c^2=20^2+17^2-2*20*17cos45º<BR>\n" );
document.write( "c^2&#8776;331.78<BR>\n" );
document.write( "c=&#8730;331.78&#8776;18.2<BR>\n" );
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