document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=728465>Question 728465</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given right triangle ABC, find the approximate length of side BC. BA = 2 and angle B is 90 degrees while angle C is 20 degrees. Side AC is the hypotenuse. \r<BR>\n" );
document.write( "\n" );
document.write( "(A) 0.18<BR>\n" );
document.write( "(B) 4<BR>\n" );
document.write( "(C) 5.49<BR>\n" );
document.write( "(D) 5.9<BR>\n" );
document.write( "(E) 2.12\r<BR>\n" );
document.write( "\n" );
document.write( "I already tried taking tanO=(2)/(x)(the O has a straight line going through the middle) and got tan(20 degrees)(2) but when I do that I get .72794 and that isn't one of the answers to pick from...  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #445433 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=445433\">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%28+600%2C+600%2C+-10%2C+10%2C+-10%2C+10%2C+%0D%0A+++++++++grid%280%29%2C%0D%0A+++++++++triangle%28+8%2C+10%2C+8%2C+1%2C+10%2C+1+%29%2C+%0D%0A++%28locate%28+8%2C10%2CC%29%29%2Clocate%288.2%2C1.5%2C90%29%2Clocate%288.2%2C0.7%2CBA=2%29%2Clocate%287.8%2C9.5%2C20%29%2C+locate%288%2C1%2CB%29%2C+locate%28+10%2C1%2CA%29%29%29+%29%0D%0A%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "given:\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BA+=+2 ALIGN=MIDDLE  ALT=\"BA+=+2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "angle <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C+=20 ALIGN=MIDDLE  ALT=\"C+=20\"   DISABLED_style= \"max-width:90%; height:auto;\" > degrees\r<BR>\n" );
document.write( "\n" );
document.write( "angle <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B=90 ALIGN=MIDDLE  ALT=\"B=90\"   DISABLED_style= \"max-width:90%; height:auto;\" > degrees\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=AC ALIGN=MIDDLE  ALT=\"AC\"   DISABLED_style= \"max-width:90%; height:auto;\" > is the hypotenuse\r<BR>\n" );
document.write( "\n" );
document.write( "to find: the approximate length of side <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BC ALIGN=MIDDLE  ALT=\"BC\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BA%2FBC=tan%2820%29 ALIGN=MIDDLE  ALT=\"BA%2FBC=tan%2820%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BC=BA%2Ftan%2820%29 ALIGN=MIDDLE  ALT=\"BC=BA%2Ftan%2820%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BC=2%2F0.3639702342662 ALIGN=MIDDLE  ALT=\"BC=2%2F0.3639702342662\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BC=5.49495483890928 ALIGN=MIDDLE  ALT=\"BC=5.49495483890928\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BC=5.49 ALIGN=MIDDLE  ALT=\"BC=5.49\"   DISABLED_style= \"max-width:90%; height:auto;\" >...so, your answer is (C) \r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );