Henry Ernest Dudeney/Modern Puzzles/162 - The Fly and the Honey

by : $162$

 * The Fly and the Honey
 * I have a cylindrical cup four inches high and six inches in circumference.
 * On the inside of the vessel, one inch from the top, is a drop of honey,
 * and on the opposite side of the vessel, one inch from the bottom on the outside, is a fly.
 * Can you tell exactly how far the fly must walk to reach the honey?