document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1080313>Question 1080313</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In an XYZ triangle, x=19.1m and y=32.7m and z=41.2m\r<BR>\n" );
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document.write( "Suppose one angle is obtuse, which angle must it be?<BR>\n" );
document.write( "Determine the measure of the angle you identified in part a. Show your work. Is the angle obtuse? Round to the nearest tenth.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #694468 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39630)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=694468\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2By%5E2-2xy%2Acos%28Z%29=z%5E2 ALIGN=MIDDLE  ALT=\"x%5E2%2By%5E2-2xy%2Acos%28Z%29=z%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-2xy%2Acos%28Z%29=z%5E2-x%5E2-y%5E2 ALIGN=MIDDLE  ALT=\"-2xy%2Acos%28Z%29=z%5E2-x%5E2-y%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28Z%29=%28z%5E2-x%5E2-y%5E2%29%2F%28-2xy%29 ALIGN=MIDDLE  ALT=\"cos%28Z%29=%28z%5E2-x%5E2-y%5E2%29%2F%28-2xy%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28Z%29=%28x%5E2%2By%5E2-z%5E2%29%2F%282xy%29 ALIGN=MIDDLE  ALT=\"cos%28Z%29=%28x%5E2%2By%5E2-z%5E2%29%2F%282xy%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28Z%29=%2819.1%5E2%2B32.7%5E2-41.2%5E2%29%2F%282%2A19.1%2A32.7%29 ALIGN=MIDDLE  ALT=\"cos%28Z%29=%2819.1%5E2%2B32.7%5E2-41.2%5E2%29%2F%282%2A19.1%2A32.7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28Z%29=-0.21081704 ALIGN=MIDDLE  ALT=\"cos%28Z%29=-0.21081704\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Measure of angle at point Z,   102.2 degrees </SPAN>\n" );
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