Cutting a square


You have a \(5 \times 5\) piece of paper. Two diagonally opposite corners of this paper are truncated:

Cutting a square

You also have scissors. Show how to cut up the \(5 \times 5\) paper into two pieces, so that the two pieces can then be interlocked to form a \(6 \times 4\) rectangle.

The cut required is shown in red:

Solution