Question 29
The diagram shows one way in which a $3\times10$ rectangle can be tiled by 15 rectangles of size $1\times2$.
Since this tiling has no symmetry, we count rotations and reflections of this tiling as different tilings.
How many different tilings of this $3\times10$ rectangle are possible?
Since this tiling has no symmetry, we count rotations and reflections of this tiling as different tilings.
How many different tilings of this $3\times10$ rectangle are possible?