Problem of the Week-1: Covering a Chessboard

Consider a 12x12 chessboard. If one removes any 3 of the corners, can the remainder be covered by 47

1x3 tiles?

Justify your answer.

Posted: 9/03/04

Submit your answers (by e-mail or hard copy) before 4 pm on 9/10/04 to Noah Aydin.

Mathematics Dept.