document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=499353>Question 499353</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two sides of a triangle have lengths of 3 cm and 7 cm and meet at an angle of 60 degree. Find the area of the triangle </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #337664 by </B><A HREF=/tutors/aboutme.mpl?userid=chessace><B>chessace(471)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=chessace><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=chessace><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=337664\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Drop a perpendicular from the far \"3\" end to the \"7\".<BR>\n" );
document.write( "It will be 1.5 cm from the joint due to sin(30) = 0.5<BR>\n" );
document.write( "By Pythag, height will be 3 * sqrt(2)/2<BR>\n" );
document.write( "So area = 0.5 * 7 * 3 * sqrt(2) / 2<BR>\n" );
document.write( "= 21 sqrt(2) / 4<BR>\n" );
document.write( "= 7.42462 cm^2<BR>\n" );
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