A
shepherd with 6 sheep had 13 sections of fence which were arranged into
6 pens of identical size and shape. The arrangement is represented below
using 13 toothpicks.
One evening
someone stole one of the fence sections leaving only 12. After thinking
long and hard - a quality of a persistent problem solver - the shepherd
rearranged the 12 sections to form 6 pens of identical size and shape
for the sheep.
Use
12 toothpicks to show how the shepherd made the 6 pens. This can
be done without