document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=964721>Question 964721</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two points A and B lie on opposite sides of a river. Another point C is located on the same side of the river as B at a distance of 250 ft from B. If angle ABC is 100° and angle ACB is 20°, find the distance across the river from A to B.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #589740 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=589740\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C300%2C-10%2C10%2C-10%2C10%2Ccircle%28-8%2C-8%2C0.2%29%2Ccircle%28-8%2C6%2C0.2%29%2Ccircle%284%2C8%2C0.2%29%2C%0D%0Aline%28-8%2C-8%2C-8%2C6%29%2C%0D%0Aline%28-8%2C6%2C4%2C8%29%2C%0D%0Aline%284%2C8%2C-8%2C-8%29%2C%0D%0Alocate%28-8%2C-8.5%2CA%29%2C%0D%0Alocate%28-8%2C7.5%2CB%29%2C%0D%0Alocate%284.5%2C9%2CC%29%2C%0D%0Alocate%28-9%2C0%2CX%29%2C%0D%0Ablue%28line%28-10%2C-8%2C10%2C-8%29%29%2C%0D%0Ablue%28line%28-10%2C6%2C10%2C6%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Find angle BAC since the angles sum to 180.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BAC%2B20%2B100=180 ALIGN=MIDDLE  ALT=\"BAC%2B20%2B100=180\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BAC=60 ALIGN=MIDDLE  ALT=\"BAC=60\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Use the law of sines,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=250%2Fsin%2860%29=X%2Fsin%2820%29 ALIGN=MIDDLE  ALT=\"250%2Fsin%2860%29=X%2Fsin%2820%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=X=250%28sin%2820%29%2Fsin%2860%29%29 ALIGN=MIDDLE  ALT=\"X=250%28sin%2820%29%2Fsin%2860%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=X=250%280.3949%29 ALIGN=MIDDLE  ALT=\"X=250%280.3949%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=X=98.7 ALIGN=MIDDLE  ALT=\"X=98.7\"   DISABLED_style= \"max-width:90%; height:auto;\" > <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ft ALIGN=MIDDLE  ALT=\"ft\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );