document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=32767>Question 32767</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A ramp is to be built up to a doorway.  Its slope is to be 1/13.  What angle will the ramp make with the horizontal?   I understand that it is a right triangle, and that you probably use Sine, Cosine or Tangent, but I am not sure which one to use or what numbers. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #19313 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=19313\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Slope is a tricky definition. Think of it as steepness. Think of a steep roof<BR>\n" );
document.write( "If it's steep, we say the slope is large. For a roof to be steep, the y<BR>\n" );
document.write( "has to be greater than the x. So the slope is y/x <BR>\n" );
document.write( "y/x is the tangent of the angle of inclination. <BR>\n" );
document.write( "If the problem says 1/13 is the slope, tan a = 1/13<BR>\n" );
document.write( "where a is the angle.<BR>\n" );
document.write( "1/13 = .0769<BR>\n" );
document.write( "a = the angle whose tangent is .0769. This is written as<BR>\n" );
document.write( "a = tan(-1) .0769<BR>\n" );
document.write( "I get 4.399 degrees </SPAN>\n" );
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