document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=140150>Question 140150</A>: <I><SPAN STYLE=\"word-break: break-all;\"> both sides of a parallelogram measure 8 cm and 10 cm between them and form an angles of 120 degrees. calculate the length of their diagonal </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #102118 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=102118\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let x=diagonal __ using the law of cosines __ x^2=8^2+10^2-(2*8*10*cos(120°))\r<BR>\n" );
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document.write( "x^2=64+100-(160(-1/2)) __ x^2=244 __ x=sqrt(244) __ x=2sqrt(61) </SPAN>\n" );
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