document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=441327>Question 441327</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The radius of the earth is about 3959 miles. \r<BR>\n" );
document.write( "\n" );
document.write( "The distance from the Reading traffic circle to the Natick Center is about 1/3 mile. \r<BR>\n" );
document.write( "\n" );
document.write( "Find the angle in seconds made by two rays from the center of the earth through these two landmarks. \r<BR>\n" );
document.write( "\n" );
document.write( "(1 radian = 180/&#960; = 57.29577951 degrees, and 1 second = 1/3600th of one degree) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #304635 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=304635\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The radius of the earth is about 3959 miles. <BR>\n" );
document.write( "The distance from the Reading traffic circle to the Natick Center is about 1/3 mile. <BR>\n" );
document.write( "Find the angle in seconds made by two rays from the center of the earth through these two landmarks. <BR>\n" );
document.write( "(1 radian = 180/&#960; = 57.29577951 degrees, and 1 second = 1/3600th of one degree)<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "arc length = theta*radius<BR>\n" );
document.write( "----<BR>\n" );
document.write( "(1/3)mile = theta*3959<BR>\n" );
document.write( "---<BR>\n" );
document.write( "theta = (1/3)/3959 = 0.000084196.. radians<BR>\n" );
document.write( "-----------------------------------------------<BR>\n" );
document.write( "Convert to degrees:<BR>\n" );
document.write( "0.000084196(180/pi) = 0.004824 degrees<BR>\n" );
document.write( "= (0.004824)(60 seconds)<BR>\n" );
document.write( "= 0.28945 seconds<BR>\n" );
document.write( "==========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );