Problem
A "domino" is made up of two small squares: [See figure in original PDF]. Which of the "checkerboards" illustrated below CANNOT be covered exactly and completely by a whole number of non-overlapping dominoes?
Select an answer
A "domino" is made up of two small squares: [See figure in original PDF]. Which of the "checkerboards" illustrated below CANNOT be covered exactly and completely by a whole number of non-overlapping dominoes?
Select an answer