document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1188226>Question 1188226</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this equation Find the angles of the triangle having the following vertices A(3,7),<BR>\n" );
document.write( "B(-6,4) and C(-2,8). Thank you so much.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #819278 by </B><A HREF=/tutors/aboutme.mpl?userid=Edwin+McCravy><B>Edwin McCravy(20060)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Edwin+McCravy><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=Edwin+McCravy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=819278\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "Instead of doing your homework for you, I'll do one exactly like yours, step by step, but with the numbers changed.\r\n" );
document.write( "\r\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28400%2C350%2C-7%2C5%2C-1.5%2C9%2C+graph%28400%2C350%2C-7%2C5%2C-1.5%2C9%29%2C%0D%0Alocate%283.4%2C5.8%2C%22A%284%2C6%29%22%29%2C%0D%0Alocate%28-5%2C3%2C%22B%28-5%2C3%29%22%29%2C%0D%0Alocate%28-3%2C7.5%2C%22C%28-3%2C7%29%22%29%2C+%0D%0Atriangle%284%2C6%2C-5%2C3%2C-3%2C7%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%2818%2C3%2C%0D%0A%0D%0Ad%2C%22%22=%22%22%2Csqrt%28%28x%5B2%5D-x%5B1%5D%29%5E2%2B%28y%5B2%5D-y%5B1%5D%29%5E2%29%2C%0D%0AAB%2C%22%22=%22%22%2Csqrt%28%28%28-5%29-%284%29%5E%22%22%29%5E2%2B%28%283%29-%286%29%5E%22%22%29%5E2%29%2C%0D%0AAB%2C%22%22=%22%22%2Csqrt%28%28-5-4%29%5E2%2B%283-6%29%5E2%29%2C%0D%0AAB%2C%22%22=%22%22%2Csqrt%28%28-9%29%5E2%2B%28-3%29%5E2%29%2C%0D%0AAB%2C%22%22=%22%22%2Csqrt%2881%2B9%29%2C%0D%0AAB%2C%22%22=%22%22%2Csqrt%2890%29%2C%0D%0A%22%22%2C%22%22%2C%22%22%2C%0D%0AAC%2C%22%22=%22%22%2Csqrt%28%28%28-3%29-%284%29%5E%22%22%29%5E2%2B%28%287%29-%286%29%5E%22%22%29%5E2%29%2C%0D%0AAC%2C%22%22=%22%22%2Csqrt%28%28-3-4%29%5E2%2B%287-6%29%5E2%29%2C%0D%0AAC%2C%22%22=%22%22%2Csqrt%28%28-7%29%5E2%2B%281%29%5E2%29%2C%0D%0AAC%2C%22%22=%22%22%2Csqrt%2849%2B1%29%2C%0D%0AAC%2C%22%22=%22%22%2Csqrt%2850%29%2C%0D%0A%22%22%2C%22%22%2C%22%22%2C%0D%0ABC%2C%22%22=%22%22%2Csqrt%28%28%28-3%29-%28-5%29%5E%22%22%29%5E2%2B%28%287%29%5E%22%22-%283%29%29%5E2%29%2C%0D%0ABC%2C%22%22=%22%22%2Csqrt%28%28-3%2B5%29%5E2%2B%287-3%29%5E2%29%2C%0D%0ABC%2C%22%22=%22%22%2Csqrt%28%28-2%29%5E2%2B%284%29%5E2%29%2C%0D%0ABC%2C%22%22=%22%22%2Csqrt%284%2B16%29%2C%0D%0ABC%2C%22%22=%22%22%2Csqrt%2820%29+%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >     <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%2818%2C3%2CLAW%2COF%2CCOSINES%2C%0D%0A%0D%0Acos%28A%29%2C%22%22=%22%22%2C%28AB%5E2%2BAC%5E2-BC%5E2%29%2F%282%28AB%29%28AC%29%29%2C%0D%0Acos%28A%29%2C%22%22=%22%22%2C%2890%2B50-20%29%2F%28+2%28sqrt%2890%29%29%28sqrt%2850%29%29+%29%2C%0D%0Acos%28A%29%2C%22%22=%22%22%2C%28120%29%2F%282%28sqrt%284500%29%29%29%2C%0D%0Acos%28A%29%2C%22%22=%22%22%2C0.894427191%2C%0D%0AA%2C%22%22=%22%22%2C26.56505118%5Eo%2C++++++++%0D%0A%22%22%2C%22%22%2C%22%22%2C++++++++++++++++%0D%0Acos%28B%29%2C%22%22=%22%22%2C%28BC%5E2%2BAB%5E2-AC%5E2%29%2F%282%28BC%29%28AB%29%29%2C+%0D%0Acos%28B%29%2C%22%22=%22%22%2C%2820%2B90-50%29%2F%28+2%28sqrt%2820%29%29%28sqrt%2890%29%29+%29%2C++%0D%0Acos%28B%29%2C%22%22=%22%22%2C%2860%29%2F%282%28sqrt%281800%29%29%29%2C++++%0D%0Acos%28B%29%2C%22%22=%22%22%2C0.7071067812%2C+++++++++++++++++%0D%0AB%2C%22%22=%22%22%2C45.0%5Eo%2C%0D%0A%22%22%2C%22%22%2C%22%22%2C%0D%0Acos%28C%29%2C%22%22=%22%22%2C%28BC%5E2%2BAC%5E2-AB%5E2%29%2F%282%28BC%29%28AC%29%29%2C%0D%0Acos%28C%29%2C%22%22=%22%22%2C%2820%2B50-90%29%2F%28+2%28sqrt%2820%29%29%28sqrt%2850%29%29+%29%2C%0D%0Acos%28C%29%2C%22%22=%22%22%2C%28-20%29%2F%282%28sqrt%281000%29%29%29%2C%0D%0Acos%28C%29%2C%22%22=%22%22%2C-0.316227766%2C%0D%0AC%2C%22%22=%22%22%2C108.4349488%5Eo+%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r\n" );
document.write( "\r\n" );
document.write( "Now do yours exactly the same way. step-by-step.\r\n" );
document.write( "\r\n" );
document.write( "Edwin</PRE>\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );