document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=418537>Question 418537</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many miles on the surface of the earth correspond to one degree of latitude? (the radius of the earth is 3960) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #292851 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=292851\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How many miles on the surface of the earth correspond to one degree of latitude? (the radius of the earth is 3960)<BR>\n" );
document.write( "..<BR>\n" );
document.write( "There is a formula in trigonometry called the arc length formula:<BR>\n" );
document.write( "s=rx, s=arc length, r=radius, x=central angle in radians. This usually applies to a circle but it can apply to the given problem.\r<BR>\n" );
document.write( "\n" );
document.write( "s=3960 miles*(1/180)pi radians=3960*3.14/180=69.08 miles<BR>\n" );
document.write( "ans:<BR>\n" );
document.write( "one degree of lattitude corresponds to 69.08 miles on the surface of the earth. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );