"Gordon" wrote in message
m...
This is from the Brian Toss rigging book so if you want to cheat, you can
look it up.

If I string a line around the equator (disregarding natural obstacles)
and then decide I want that line 1 foot above the equator all the way
around, how much longer must that line be? Call the earth's diameter an
even 8000 miles.
G

6.28 feet (to 2 places of decimals)