document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=598272>Question 598272</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You walk 45 degrees around the circumference of a circle that has a radius of 4 meters.  To the nearest tenth, you have walked &#61485;\r<BR>\n" );
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document.write( "A 1 m<BR>\n" );
document.write( "B 3.14 m<BR>\n" );
document.write( "C 6.28 m<BR>\n" );
document.write( "D 12.6 m </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #378538 by </B><A HREF=/tutors/aboutme.mpl?userid=math-vortex><B>math-vortex(648)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math-vortex><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=math-vortex><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=378538\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi, there--<BR>\n" );
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document.write( "To find the distance around a circle you find the circumference.<BR>\n" );
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document.write( "The circumference formula 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" );
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document.write( "where C is the circumference and r is the radius of the circle.<BR>\n" );
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document.write( "Substitute 45 for r in the equation. Do not round pi until the end of the problem.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C=2%2Api%2A%284%29 ALIGN=MIDDLE  ALT=\"C=2%2Api%2A%284%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Simplify.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C=8%2Api ALIGN=MIDDLE  ALT=\"C=8%2Api\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "So, if you walked all the way around this circle you would walk 8*pi meters (a little more than 24 m). However you only walk 45 degrees around. We need to know what fraction of the circle that represents.<BR>\n" );
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document.write( "There are 360 degrees in a full circle, so 45 degrees represents<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=45%2F360=1%2F8 ALIGN=MIDDLE  ALT=\"45%2F360=1%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "If you walk around 1/8 of the circle you walk 1/8 of the total circumference.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F8%29%288%2Api%29=pi ALIGN=MIDDLE  ALT=\"%281%2F8%29%288%2Api%29=pi\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "You will walk pi meters. A good approximation for pi is 3.14. B is the correct answer. (one minor detail...3.14 is the best answer, but it is not rounded to the nearest tenth. That would be 3.1 meters.)<BR>\n" );
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document.write( "Cheers!<BR>\n" );
document.write( "Ms.Figgy<BR>\n" );
document.write( "math.in.the.vortex@gmail.com<BR>\n" );
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