Slicing a Doughnut

What is the largest number of pieces you can slice a doughnut into using only 3 cuts? You are not allowed to rearrange the pieces between the cuts.

You can get 13 pieces, as shown on the picture below.

We do not know where this puzzle originated from. If you have any information, please let us know via email.

Notify of
1 Comment
Oldest Most Voted
Inline Feedbacks
View All Comments