document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=676670>Question 676670</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2 vertical telephone poles are 50 ft apart. One is 20 ft tall while the other is 60 ft tall. A blue laser shines from the top of shorter pole to the base of the taller pole and a red laser shines from the top of the taller pole to the base base of the shorter pole. What is the height of the point where the laser beams meet?<BR>\n" );
document.write( "a) 15 ft<BR>\n" );
document.write( "b) 18 ft<BR>\n" );
document.write( "c) 20 ft<BR>\n" );
document.write( "d) 21 ft<BR>\n" );
document.write( "e) None of the above </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #420453 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=420453\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2 vertical telephone poles are 50 ft apart. One is 20 ft tall while the other is 60 ft tall. A blue laser shines from the top of shorter pole to the base of the taller pole and a red laser shines from the top of the taller pole to the base base of the shorter pole. What is the height of the point where the laser beams meet?<BR>\n" );
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document.write( "The height of the point is similar to parallel resistors (strangely enough).<BR>\n" );
document.write( "h = 20*60/(20+60)<BR>\n" );
document.write( "h = 15 feet<BR>\n" );
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document.write( "It can be done geometrically, but it's not necessary. </SPAN>\n" );
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