document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=590347>Question 590347</A>: <I><SPAN STYLE=\"word-break: break-all;\"> i have to work out the two solutions of the angle of two isosceles triangles with areas of 4cm squared and sides of 4.7 (no base length given)<BR>\n" );
document.write( "i know how to work out the area but i cannot rearrange the equation 1/2ab x SinC to help me answer this question, please explain and give the two answers </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #375112 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=375112\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (1/2)bh = 4 ___ h = 8 / b\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "b^2 + h^2 = 4.7^2\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "substituting ___ b^2 + (64 / b^2) = 4.7^2\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "(b^2)^2 + 64 = 22.09 b^2 ___ (b^2)^2 - 22.09 b^2 + 64 = 0\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "use quadratic formula to find b^2, then find b (two of the four solutions will not work)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "cos(C) = (b/2) / 4.7 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );