document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=442093>Question 442093</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the angle between the positive horizontal axis and the line containing the points (9,7) and (10,10)? <BR>\n" );
document.write( "I do not understand how to find the line from the two points, and then the angle </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #304997 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=304997\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What is the angle between the positive horizontal axis and the line containing the points (9,7) and (10,10)? <BR>\n" );
document.write( "I do not understand how to find the line from the two points, and then the angle<BR>\n" );
document.write( "..<BR>\n" );
document.write( "If you would plot these two points, you would notice a small right triangle is formed with the line connecting the points is the hypotenuse, a horizontal leg of =10-9=1, and a vertical leg of 10-7=3.<BR>\n" );
document.write( "This gives the line a slope of 3/1=3 which is equal to the tangent of the angle which is equal to the angle you are trying to find.<BR>\n" );
document.write( "Using a calculator, <BR>\n" );
document.write( "arctan(3)=71.57 deg (ans) </SPAN>\n" );
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