document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=668437>Question 668437</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the interior angles of the triangle with vertices A=(3,2), B=(4,5), C=(-1,-1) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #415600 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=415600\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the interior angles of the triangle with vertices A=(3,2), B=(4,5), C=(-1,-1)<BR>\n" );
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document.write( "One way is to find the lengths of the 3 sides, then use the Cosine Law.<BR>\n" );
document.write( "Can you do that?<BR>\n" );
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document.write( "Another is to find the slope of each side and then find the angles.  Less work than the 1st method.<BR>\n" );
document.write( "Do you know how to do that?<BR>\n" );
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