To accurately describe the transformation in the diagram, it would be important to analyze the specific orientation and position of the shapes or points before and after the transformation. Since the diagram is not provided, I cannot definitively identify the transformation.
However, I can explain how to determine which transformation it is:
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90° counterclockwise rotation about the origin: This rotates each point (x, y) to (-y, x).
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270° counterclockwise rotation about the origin: This is equivalent to a 90° clockwise rotation, changing each point (x, y) to (y, -x).
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180° counterclockwise rotation about the origin: This rotates each point (x, y) to (-x, -y).
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90° clockwise rotation about the origin: This rotates each point (x, y) to (y, -x).
To identify the correct transformation, observe how specific points or shapes change position in the diagram. Compare their new coordinates to determine which option matches the transformation that has occurred. If you need help interpreting specific points or shapes, feel free to provide their coordinates or descriptions!