Puzzle/Rectangular/Type/Exercise
Suppose that the pieces of a jigsaw puzzle have roughly a rectangular form, where one side is visibly longer than the other, and on every side there is either a tab or a blank. How many types of pieces exist?
Suppose that the pieces of a jigsaw puzzle have roughly a rectangular form, where one side is visibly longer than the other, and on every side there is either a tab or a blank. How many types of pieces exist?