document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=198940>Question 198940</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the approximate area of a segment of a circle with a radius 12 meters if the length of the chord is 20 meters? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #149478 by </B><A HREF=/tutors/aboutme.mpl?userid=RAY100><B>RAY100(1637)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=RAY100><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=149478\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> draw  a  rough  sketch,  circle  of  radius  12,  with  perpendicular  chord  of  20  bisected  by<BR>\n" );
document.write( "a  radius.     Let  angle  a =  arc  sin  10/12 = 56.4  deg<BR>\n" );
document.write( ".<BR>\n" );
document.write( "2a  = 112. 885  deg,,,,which  is  central  angle  of  segment<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Area  of  circle  =  pi * r^2 = pi * 12 ^2 = 542.389<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Area  of  segment  is  112 / 360 * 542 = 142  meters  squared </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );