This \(4\times 4\) square grid can be covered by three shapes made from \(1\times 1\) squares. None of the shapes overlap.
If two of the shapes are;
the third shape is:
This \(4\times 4\) square grid can be covered by three shapes made from \(1\times 1\) squares. None of the shapes overlap.
If two of the shapes are;
the third shape is: