document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=753674>Question 753674</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An unusual photo of the CN Tower in Toronto was taken. The photographer aligned the smokestack with the tower to take the photo. <BR>\n" );
document.write( "1. Use the following info to determine an approximate height for the smokestack.<BR>\n" );
document.write( "- The camera is 440 m from the smokestack.<BR>\n" );
document.write( "- The smokestack is 3200 m from the CN tower.<BR>\n" );
document.write( "- The height of the part of the tower hidden behind the smokestack is 330 m.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #458645 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=458645\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Drawing (not to scale):<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28500%2C300%2C-0.5%2C4.5%2C-0.5%2C2.5%2C%0D%0Agreen%28line%28-0.5%2C0%2C4.5%2C0%29%29%2C%0D%0Ared%28line%284%2C0%2C4%2C2.5%29%29%2C%0D%0Atriangle%280%2C0%2C4%2C0%2C4%2C2%29%2C%0D%0Aline%281%2C0%2C1%2C0.5%29%2C%0D%0Alocate%280.4%2C0.15%2C440m%29%2Clocate%282%2C0.15%2C3200m%29%2C%0D%0Alocate%281.01%2C0.4%2Cx%29%2Clocate%283.65%2C1.1%2C330m%29%2C%0D%0Alocate%28-0.05%2C0%2CC%29%2Clocate%280.95%2C0%2CB%29%2Clocate%283.95%2C0%2CE%29%2C%0D%0Alocate%280.95%2C0.7%2CA%29%2Clocate%284.05%2C2.1%2CD%29%2Clocate%284.05%2C2.5%2Cred%28tower%29%29%0D%0A%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > The camera is at C, lined up with smokestack AB and the tower (red), all on the vertical plane of the drawing.<BR>\n" );
document.write( "Triangles ABC and DEC are similar (same angle measures, proportional side lengths, ABC is a scaled down version of DEC).<BR>\n" );
document.write( "So <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2F440=330%2F%28440%2B3200%29 ALIGN=MIDDLE  ALT=\"x%2F440=330%2F%28440%2B3200%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > --> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2F440=330%2F3640 ALIGN=MIDDLE  ALT=\"x%2F440=330%2F3640\"   DISABLED_style= \"max-width:90%; height:auto;\" > --> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=330%2A440%2F3640 ALIGN=MIDDLE  ALT=\"x=330%2A440%2F3640\"   DISABLED_style= \"max-width:90%; height:auto;\" > --> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=40%29 ALIGN=MIDDLE  ALT=\"highlight%28x=40%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > (rounded)<BR>\n" );
document.write( "The smokestack's height is approximately <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%2840meters%29 ALIGN=MIDDLE  ALT=\"highlight%2840meters%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );