document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1168410>Question 1168410</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The higher a lookout tower is built, the farther an observer can see. That distance d (called the horizon distance, measured in miles) is related to the height h of the observer (measured in feet) by the formula <BR>\n" );
document.write( "d = 1.4 radical symbol with h under it\r<BR>\n" );
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document.write( " How tall (in ft) must a lookout tower be to see the edge of the forest, 23 miles away? (Round your answer to the nearest foot.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #793472 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52781)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=793472\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "For the Earth conditions, &nbsp;the correct formula is\r<BR>\n" );
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document.write( "    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;d = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1.22459%2Asqrt%28h%29 ALIGN=MIDDLE  ALT=\"1.22459%2Asqrt%28h%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > &nbsp;&nbsp;miles,  &nbsp;&nbsp;with &nbsp;h &nbsp;in feet.\r<BR>\n" );
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document.write( "See, &nbsp;for example, &nbsp;this source\r<BR>\n" );
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document.write( "<A  rel=nofollow HREF=https://sites.math.washington.edu/~conroy/m120-general/horizon.pdf>https://sites.math.washington.edu/~conroy/m120-general/horizon.pdf</A>\r<BR>\n" );
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document.write( "https://sites.math.washington.edu/~conroy/m120-general/horizon.pdf\r<BR>\n" );
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document.write( " </SPAN>\n" );
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