document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=843477>Question 843477</A>: <I><SPAN STYLE=\"word-break: break-all;\"> My daughter is having a problem with a math question, wondering if you could help me so I can help her.  The problem is - a wall 2 metres high and 60 metres long stands in a vertical plane running east to west.  Calculate the width and area of the shadow cast by the wall, on level ground when the sun is due north at an elevation of 40°47'.  Thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #508152 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=508152\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Looking from the east:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28400%2C300%2C-0.5%2C3.5%2C-0.2%2C2.8%2C%0D%0Aline%28-0.5%2C0%2C3.5%2C0%29%2Cred%28line%280%2C0%2C3%2C2.588%29%29%2C%0D%0Arectangle%282.318%2C0%2C2.518%2C2%29%2C%0D%0Alocate%282.8%2C2.8%2Cred%28sunbeam%29%29%2Clocate%282.15%2C1%2C2m%29%2C%0D%0Alocate%281.5%2C0.2%2Cshadow%29%2Clocate%282.27%2C1.8%2Cwall%29%2C%0D%0Alocate%280.2%2C0.27%2C40%5Eo%29%2Clocate%280.45%2C0.2%2C%2247%27+%22%29%2C%0D%0Ared%28arc%280%2C0%2C1.5%2C1.5%2C-40.78%2C0%29%29%0D%0A%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%28%2840%2647%2F60%29%5Eo%29=2m%2Fshadow ALIGN=MIDDLE  ALT=\"tan%28%2840%2647%2F60%29%5Eo%29=2m%2Fshadow\"   DISABLED_style= \"max-width:90%; height:auto;\" >= approximately<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.86267 ALIGN=MIDDLE  ALT=\"0.86267\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2m%2Fshadow=0.86267 ALIGN=MIDDLE  ALT=\"2m%2Fshadow=0.86267\"   DISABLED_style= \"max-width:90%; height:auto;\" >--><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=shadow=2m%2F0.86267 ALIGN=MIDDLE  ALT=\"shadow=2m%2F0.86267\"   DISABLED_style= \"max-width:90%; height:auto;\" >= approximately<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2.32m ALIGN=MIDDLE  ALT=\"2.32m\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Looking from a helicopter hovering above the shadow of the wall<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28400%2C300%2C-0.5%2C3.5%2C-0.2%2C2.8%2C%0D%0Aline%280%2C-0.2%2C0%2C2.8%29%2Crectangle%282.318%2C-0.5%2C2.518%2C3%29%2C%0D%0Alocate%282.27%2C1.8%2Cwall%29%2Clocate%281.1%2C0.98%2C2.32m%29%2C%0D%0Aarrow%281.16%2C1%2C0%2C1%29%2Carrow%281.16%2C1%2C2.32%2C1%29%2C%0D%0Alocate%281.05%2C1.2%2Cshadow%29%0D%0A%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > Area of shadow =<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282.32m%29%2860m%29=highlight%28139.2%29 ALIGN=MIDDLE  ALT=\"%282.32m%29%2860m%29=highlight%28139.2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m%5E2 ALIGN=MIDDLE  ALT=\"m%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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