MathDB
2011 BAMO 1 set of identical square tiles with side length 1

Source:

August 27, 2019
Tilingcombinatorial geometrycombinatorics

Problem Statement

A set of identical square tiles with side length 11 is placed on a (very large) floor. Every tile after the first shares an entire edge with at least one tile that has already been placed. - What is the largest possible perimeter for a figure made of 1010 tiles? - What is the smallest possible perimeter for a figure made of 1010 tiles? - What is the largest possible perimeter for a figure made of 20112011 tiles? - What is the smallest possible perimeter for a figure made of 20112011 tiles? Prove that your answers are correct.