document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=455481>Question 455481</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The lengths of two adjacent sides of a parallelogram are 42cm and 36cm. An angle of the parallelogram is 40degrees. Find the measure of the longest diagonal to the nearest tenth of a centimeter. (do you use the law of cosine?) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #312701 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=312701\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The lengths of two adjacent sides of a parallelogram are 42cm and 36cm. An angle of the parallelogram is 40 degrees. Find the measure of the longest diagonal to the nearest tenth of a centimeter. (do you use the law of cosines?)<BR>\n" );
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document.write( "Draw the picture and you will see that the longest diagonal is opposite<BR>\n" );
document.write( "the adjacent angle in the parallelogram, which is 140 degrees.<BR>\n" );
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document.write( "diag^2 = 42^2 + 36^2 - 2^42*36*cos(140)<BR>\n" );
document.write( "diag = 73.32<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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