document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=75624>Question 75624</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0495105716/algebrahomeworkh>Elementary algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Find the area of a circular region if the circumference is 16 pie centimeters.  Express the answer in terms of pie.\r<BR>\n" );
document.write( "\n" );
document.write( "Not sure how to do the symbol for pie.<BR>\n" );
document.write( "Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #54292 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=54292\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Since we know the circumference, we can find the radius using this formula:\r<BR>\n" );
document.write( "\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=16%2Api=2%2Api%2Ar ALIGN=MIDDLE  ALT=\"16%2Api=2%2Api%2Ar\"   DISABLED_style= \"max-width:90%; height:auto;\" > Plug in C=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16%2Api ALIGN=MIDDLE  ALT=\"16%2Api\"   DISABLED_style= \"max-width:90%; height:auto;\" > to find r<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2816%2Api%29%2F%282%2Api%29=cross%28%282%2Api%29%2F%282%2Api%29%29%2Ar ALIGN=MIDDLE  ALT=\"%2816%2Api%29%2F%282%2Api%29=cross%28%282%2Api%29%2F%282%2Api%29%29%2Ar\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2Api ALIGN=MIDDLE  ALT=\"2%2Api\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=%2816%2Across%28pi%29%29%2F%282%2Across%28pi%29%29 ALIGN=MIDDLE  ALT=\"r=%2816%2Across%28pi%29%29%2F%282%2Across%28pi%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > The pi terms cancel and 16/2=8<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=8 ALIGN=MIDDLE  ALT=\"r=8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now use this formula to find the area:\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=pi%2Ar%5E2 ALIGN=MIDDLE  ALT=\"A=pi%2Ar%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=pi%2A8%5E2 ALIGN=MIDDLE  ALT=\"A=pi%2A8%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=64%2Api ALIGN=MIDDLE  ALT=\"A=64%2Api\"   DISABLED_style= \"max-width:90%; height:auto;\" > There's the exact answer </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );