document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1114729>Question 1114729</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi I understand the formulas of circumference and diameter and whatnot, I have 2 homework questios and I don’t seem to fully understand it:\r<BR>\n" );
document.write( "\n" );
document.write( "1.  Anthony is biking around a circular track in jamming to some tunes. His bike tires are 2 feet in diameter, and the track is 1000 feet in diameter. How many times do Anthony’s tires go around one lap around the track?\r<BR>\n" );
document.write( "\n" );
document.write( "2.  In modern cataract surgery (eye surgery) the ophthalmologist( eye doctor) makes an incision that is 6% of the circumference of the cornea. If the diameter of the patients cornea is 8 mm what is the length of the incision?\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "I hope someone is willing to explain this to me, thanks. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #729639 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=729639\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. Anthony is biking around a circular track in jamming to some tunes. His <BR>\n" );
document.write( "bike tires are 2 feet in diameter, and the track is 1000 feet in diameter. How many times do Anthony’s tires go around one lap around the track?<BR>\n" );
document.write( "circumference of the tire:: pi*d = 2pi ft.<BR>\n" );
document.write( "# of revolutions = 1000/(2pi) = 500/pi is approximately 159.15<BR>\n" );
document.write( "--------------------------------------- <BR>\n" );
document.write( "2. In modern cataract surgery (eye surgery) the ophthalmologist( eye doctor) makes an incision that is 6% of the circumference of the cornea. If the diameter of the patients cornea is 8 mm what is the length of the incision? <BR>\n" );
document.write( "circumference = 8pi mm<BR>\n" );
document.write( "6% of circumference = 1.508 mm<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "------------------ </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );