document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=935749>Question 935749</A>: <I><SPAN STYLE=\"word-break: break-all;\"> When standing upright, Gary knows his eyes are 6 feet above ground level. To determine the depth of a well, he stands in the position shown. Which expression may be used ti determine the volume of the well? <BR>\n" );
document.write( "(He is standing 2 feet away from the well and he is looking down at the well creating a right triangle and the well is 6 feet wide)<BR>\n" );
document.write( "A. &#960;(6)^2(18)<BR>\n" );
document.write( "B. &#960;(3)^2(9)<BR>\n" );
document.write( "C. &#960;(3)^2(12)<BR>\n" );
document.write( "D. &#960;(3)^2(18) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #569083 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=569083\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Some information is missing, but an assumption is possible from your description.  If Gary is looking and can see the far part of the bottom of the well  (and assumed empty), then there are formed TWO right triangles, SIMILAR.  The large right triangle has base <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6%2B2=8 ALIGN=MIDDLE  ALT=\"6%2B2=8\"   DISABLED_style= \"max-width:90%; height:auto;\" > feet and the height of the triangle is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6%2By ALIGN=MIDDLE  ALT=\"6%2By\"   DISABLED_style= \"max-width:90%; height:auto;\" >, using y as the depth of the empty well from top to bottom.\r<BR>\n" );
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document.write( "The smaller triangle is formed from Gary (6 feet) and the distance from his feet to the nearest part of the top of the well  (2 feet).\r<BR>\n" );
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document.write( "The sides of the similar triangles are in proportion.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%286%2By%29%2F8=6%2F2 ALIGN=MIDDLE  ALT=\"%286%2By%29%2F8=6%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and solving for y is easy and simple.\r<BR>\n" );
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document.write( "The choices you are asked to use are inconistant with the analysis just given, so information was missing from your problem description, which would expected to have been shown in a picture or diagram/figure. </SPAN>\n" );
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