Question 94
We want to cover a table of size $4 \times 4$ with dominoes of the following shape
(can also be reflected or rotated),
where the dominoes may overlap or extend over the edges of the table.
At least how many dominoes do we need?
(can also be reflected or rotated),
where the dominoes may overlap or extend over the edges of the table.
At least how many dominoes do we need?