document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=144732>Question 144732</A>: <I><SPAN STYLE=\"word-break: break-all;\"> given a circle with the radius of 3960 miles, assume that the distance AB is a straight line, and triangle AOB is a right triangle with a right angle at B.  Angle O is 1/60 of 1 degree.  Find the distance of AB.   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #107118 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=107118\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> tan(O) = AB/3960<BR>\n" );
document.write( "AB = 3960*tan(1/60)<BR>\n" );
document.write( "AB = 1.1519 miles, or 6082 feet<BR>\n" );
document.write( "This is the definition of a Nautical Mile (or close to it), 1 minute of arc at the equator.<BR>\n" );
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