Tromino tiling
Source: 2013 BAMO-8 #3
February 27, 2016
geometry
Problem Statement
Define a size- tromino to be the shape you get when you remove one quadrant from a square. In the figure below, a size- tromino is on the left and a size- tromino is on the right.
http://i.imgur.com/2065v7Y.png
We say that a shape can be tiled with size- trominos if we can cover the entire area of the shape—and no excess area—with non-overlapping size- trominos. For example, a rectangle can be tiled with size- trominos as shown below, but a square cannot be tiled with size- trominos.
http://i.imgur.com/UBPeeRw.pnga) Can a size- tromino be tiled by size- trominos?b) Can a size- tromino be tiled by size- trominos? Justify your answers.