document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1116761>Question 1116761</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A circle has a radius of 12 mm. A central angle measuring 7pi/6 radians intercepts n arc. What is the length of the arc?\r<BR>\n" );
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document.write( "I have used the formula s=r&#952;. 12*7pi/6 = 14pi = 43.98 mm. For some reason, this doesn't seem right to me.\r<BR>\n" );
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document.write( "Thank you for your time </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #731674 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=731674\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The circumference, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C+ ALIGN=MIDDLE  ALT=\"+C+\"   DISABLED_style= \"max-width:90%; height:auto;\" > is:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C+=+2%2Api%2Ar+ ALIGN=MIDDLE  ALT=\"+C+=+2%2Api%2Ar+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r+=+12+ ALIGN=MIDDLE  ALT=\"+r+=+12+\"   DISABLED_style= \"max-width:90%; height:auto;\" > mm<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C+=+2%2Api%2A12+ ALIGN=MIDDLE  ALT=\"+C+=+2%2Api%2A12+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C+=+24pi+ ALIGN=MIDDLE  ALT=\"+C+=+24pi+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "There are <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2pi+ ALIGN=MIDDLE  ALT=\"+2pi+\"   DISABLED_style= \"max-width:90%; height:auto;\" > radians of arc in a circle<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28%28+7pi+%29%2F6+%29+%2F+%28+2pi+%29+=+a+%2F+%28+24pi+%29+ ALIGN=MIDDLE  ALT=\"+%28%28+7pi+%29%2F6+%29+%2F+%28+2pi+%29+=+a+%2F+%28+24pi+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply both sides by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2pi+ ALIGN=MIDDLE  ALT=\"+2pi+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+7pi+%29%2F6+=+a%2F12+ ALIGN=MIDDLE  ALT=\"+%28+7pi+%29%2F6+=+a%2F12+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply both sides by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+6+ ALIGN=MIDDLE  ALT=\"+6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+7pi+=+a%2F2+ ALIGN=MIDDLE  ALT=\"+7pi+=+a%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+=+14pi+ ALIGN=MIDDLE  ALT=\"+a+=+14pi+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The length of the arc is 14pi mm<BR>\n" );
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document.write( "This seems about right. One-half of the circumference<BR>\n" );
document.write( "would be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+24pi%2F2+=+12pi+ ALIGN=MIDDLE  ALT=\"+24pi%2F2+=+12pi+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "And <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+7pi%2F6+ ALIGN=MIDDLE  ALT=\"+7pi%2F6+\"   DISABLED_style= \"max-width:90%; height:auto;\" > is a little more than half of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C+ ALIGN=MIDDLE  ALT=\"+C+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "so, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+14pi+ ALIGN=MIDDLE  ALT=\"+14pi+\"   DISABLED_style= \"max-width:90%; height:auto;\" > seems gight<BR>\n" );
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