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 #793449 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=793449\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> d=1.4 sqrt(h)=23<BR>\n" );
document.write( "sqrt(h)=23/1.4=16.43<BR>\n" );
document.write( "h=269.90 or 270 feet<BR>\n" );
document.write( "(I generally use 1.1 sqrt(h) </SPAN>\n" );
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