document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=929458>Question 929458</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A circular arc of length 4 feet subtends a central angle of 180o. Find the radius r of the circle.\r<BR>\n" );
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document.write( "r =\r<BR>\n" );
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document.write( "Please explain<BR>\n" );
document.write( "Thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #564315 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=564315\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A circular arc of length 4 feet subtends a central angle of 180o. Find the radius r of the circle. <BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s=r%28theta%29 ALIGN=MIDDLE  ALT=\"s=r%28theta%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, s=arc, r=radius, theta=central angle(radians)<BR>\n" );
document.write( "180&#730;=&#960; radians<BR>\n" );
document.write( "4=r&#960;<BR>\n" );
document.write( "r=4/&#960; ft </SPAN>\n" );
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