The figure below shows two triangles on the coordinate grid:
What set of transformations is performed on triangle ABC to form triangle A′B′C′? (5 points)
Group of answer choices
A translation 5 units down, followed by a 180-degree counterclockwise rotation about the origin
A translation 5 units down, followed by a 270-degree counterclockwise rotation about the origin
A 180-degree counterclockwise rotation about the origin, followed by a translation 5 units down
A 270-degree counterclockwise rotation about the origin, followed by a translation 5 units down
