document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=907197>Question 907197</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 'A hiker sights the top of a 2228 m high mountain at an angle of elevation of 12°.After walking towards the mountain he sights it at an angle of elevation of 22°. How many kilometres did the hiker walk?'\r<BR>\n" );
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document.write( "I've tried and have no Idea all the example  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #550469 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=550469\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  'A hiker sights the top of a 2228 m high mountain at an angle of elevation of 12°.<BR>\n" );
document.write( "After walking towards the mountain he sights it at an angle of elevation of 22°.<BR>\n" );
document.write( " How many kilometres did the hiker walk?' <BR>\n" );
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document.write( "We can use a right triangle formed by the hiker position to a point directly below the top of the mountain<BR>\n" );
document.write( "Use the tangent of 12 degrees, where 2228 is the side opposite, find the distance (d) to the point below the top of the mountain (side adjacent)<BR>\n" );
document.write( "tan(12) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2228%2Fd ALIGN=MIDDLE  ALT=\"2228%2Fd\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".2125565 <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2228%2Fd ALIGN=MIDDLE  ALT=\"2228%2Fd\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "d = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2228%2F.2125565 ALIGN=MIDDLE  ALT=\"2228%2F.2125565\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "d = 10482 meters<BR>\n" );
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document.write( "Do the same from the point that has an angle of 22 degrees<BR>\n" );
document.write( "tan(22) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2228%2Fd ALIGN=MIDDLE  ALT=\"2228%2Fd\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "d = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2228%2Ftan%2822%29 ALIGN=MIDDLE  ALT=\"2228%2Ftan%2822%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "d = 5514.5 meters<BR>\n" );
document.write( "Therefore the hiker walked<BR>\n" );
document.write( "10482 - 5514.5 = 4967.5 meters which is 4.9675 km </SPAN>\n" );
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