document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=252102>Question 252102</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A parallelogram has sides of length 36.4 cm and 21.5 cm. If the longer diagonal has a length of 38.9 cm, what is the angle opposite this diagonal?\r<BR>\n" );
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document.write( "I have tried drawing a picture and setting up an equation but I cant figure it out.<BR>\n" );
document.write( "Thanks <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #183860 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=183860\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hint: use the <a  rel=nofollow HREF=\"http://en.wikipedia.org/wiki/Law_of_cosines\">law of cosines</a> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5E2=b%5E2%2Bc%5E2-2bc%2Acos%28A%29 ALIGN=MIDDLE  ALT=\"a%5E2=b%5E2%2Bc%5E2-2bc%2Acos%28A%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > where 'a', 'b', and 'c' are the lengths of the triangle and 'A' is the angle opposite the side 'a'. So this problem will make <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=38.9 ALIGN=MIDDLE  ALT=\"a=38.9\"   DISABLED_style= \"max-width:90%; height:auto;\" > and you'll let 'b' and 'c' be equal to the remaining values given. Let me know if this helps at all. </SPAN>\n" );
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