Answer:
see below
Explanation:
The vertex order has been reversed, so a reflection is involved. The direction of the short side has been changed by 90°, so a rotation is potentially involved. Depending on the precise rotation and/or reflections, translation may be involved.
One potential set of transformations is ...
- rotate 90° CW about the origin
- translate left 1 and down 3
- reflect across the y-axis
Another potential set of transformations (shown below) is ...
- reflect across the line x+y=1
- translate down 4