document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=149459>Question 149459</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0078279992/algebrahomeworkh>Algebra 2</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Solve (triangle) ABC if C=90 degrees, B=20 degrees, and b= 10. Round measures of sides to the nearest tenth and measures of angles to the nearest degree. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #109673 by </B><A HREF=/tutors/aboutme.mpl?userid=tryin2bhelpful><B>tryin2bhelpful(6)</B></A><img src=\"/images/stars/stars-05.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=tryin2bhelpful><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=109673\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In this equation you can use the law of sines...\r<BR>\n" );
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document.write( "a       b<BR>\n" );
document.write( "__   =  __<BR>\n" );
document.write( "SinA    SinB\r<BR>\n" );
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document.write( "you are given both angle B and Side B<BR>\n" );
document.write( "From, B=20 and C=90, you can find out what A equals by subracting it from 180\r<BR>\n" );
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document.write( "180-20-90= 70... A=70<BR>\n" );
document.write( "so...\r<BR>\n" );
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document.write( "10      a                 Cross multiply so you get:                         <BR>\n" );
document.write( "__   = __                 10Sin70=Sin20a so..... <BR>\n" );
document.write( "Sin20  Sin70              10Sin70<BR>\n" );
document.write( "                          _______  =a<BR>\n" );
document.write( "                          Sin20 \r<BR>\n" );
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document.write( "          Therefore you'll get 8.476.... or 8.5 rounded=a\r<BR>\n" );
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document.write( "Now that you have a, you can find c with a2+b2=c2\r<BR>\n" );
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document.write( "(8.5)2+(10)2=c2<BR>\n" );
document.write( "172.25=c2<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c=sqrt%28172.25%29 ALIGN=MIDDLE  ALT=\"c=sqrt%28172.25%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "c=13.1 rounded\r<BR>\n" );
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document.write( "Now you have all your angles and all of your lengths!!! :)\r<BR>\n" );
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document.write( " </SPAN>\n" );
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