document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=50701>Question 50701</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If the area of a circle is 64 pi, what is its circumference? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #33762 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=33762\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If the area of a circle is 64 pi, what is its circumference?<BR>\n" );
document.write( "Area = (pi)r^2<BR>\n" );
document.write( "Substitute 64(pi) in place of Area<BR>\n" );
document.write( "64(pi)=(pi)r^2<BR>\n" );
document.write( "Solve for \"r\":<BR>\n" );
document.write( "r^2=64<BR>\n" );
document.write( "r=8<BR>\n" );
document.write( "Circumference = 2(pi)r<BR>\n" );
document.write( "Substitute 8 in place of r to get:<BR>\n" );
document.write( "=2(pi)8<BR>\n" );
document.write( "Circumference =16(pi)\r<BR>\n" );
document.write( "\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );