document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1048801>Question 1048801</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two acacia trees are found on opposite side of a river. Paulo walks from tree A, 10m far away to point C and using an instrument, he finds that this point tree B is at angle 48 degrees from tree A. What is the width of the river? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #664454 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=664454\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  Two acacia trees are found on opposite side of a river.<BR>\n" );
document.write( " Paulo walks from tree A, 10m far away to point C and using an instrument, he finds that this point tree B is at angle 48 degrees from tree A.<BR>\n" );
document.write( " What is the width of the river?<BR>\n" );
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document.write( "This can be drawn out like a right triangle. The 90 degree is at A<BR>\n" );
document.write( "Use the tangent of 48 degrees<BR>\n" );
document.write( "Side adjacent, AC = 10 m<BR>\n" );
document.write( "Side opposite = width of the river (w)<BR>\n" );
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document.write( "Tan(48} = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w%2F10 ALIGN=MIDDLE  ALT=\"w%2F10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "w = 10*1.11<BR>\n" );
document.write( "w = 11.1 meters is the width of the river   </SPAN>\n" );
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