document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1127842>Question 1127842</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In the following problem, &#952; is a central angle that cuts off an arc of length s. Find the radius of the circle. (Round your answer to two decimal places.)<BR>\n" );
document.write( "t = 150°, s = 5 km </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #744290 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=744290\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In the following problem, t is a central angle that cuts off an arc of length s. Find the radius of the circle. (Round your answer to two decimal places.)<BR>\n" );
document.write( "t = 150°, s = 5 km<BR>\n" );
document.write( "---<BR>\n" );
document.write( "C = 2pi*r<BR>\n" );
document.write( "s = (150/360)*C = r*5pi/6 = 5<BR>\n" );
document.write( "r = 6/pi km<BR>\n" );
document.write( "=================<BR>\n" );
document.write( "Using radians<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "t = 5pi/6 radians<BR>\n" );
document.write( "s = r*t = 5<BR>\n" );
document.write( "r = 5/(5pi/6) = 6/pi km </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );