document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=691247>Question 691247</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A ladder 3 metres long leans against a wall . It reaches 2 metres up the wall. What angle does the ladder make with the ground? <BR>\n" );
document.write( "can you please help me? thanks in advance </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #426617 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=426617\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A ladder 3 metres long leans against a wall . It reaches 2 metres up the wall. What angle does the ladder make with the ground? <BR>\n" );
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document.write( "Draw the picture.<BR>\n" );
document.write( "You have a right triangle:<BR>\n" );
document.write( "hypotenuse = 3 meters<BR>\n" );
document.write( "height = 2 meters<BR>\n" );
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document.write( "Let the angle opposite the height be \"x\":<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "sin(x) = 2/3<BR>\n" );
document.write( "x = sin^-1(2/3) = 0.7297 radians or 41.81 degrees<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "============== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );