Under the Ribbon

Stage: 4 Challenge Level: Challenge Level:1

A ribbon is nailed down with a small amount of slack.
The distance between the nailed ends is 1 metre and the amount of ribbon is 104 cm.

What is the largest cube that can pass under the ribbon ?

And where along the ribbon is the best place for the cube to pass under, or doesn't the position matter ?


Published November 2007,December 2007.