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General Information
Related Benchmark: MAFS.912.G-CO.1.3
Reporting Category: Geometry: Congruence
Type: MS: Multiselect
Difficulty: N/A
Question:

Regular pentagon EFGHI with center K is shown.

Select all the transformations that carry pentagon EFGHI onto itself.

Answer Options:

A. a reflection across line EK, a 180º counterclockwise rotation about point K, and a reflection across a vertical line through point K.

B. a 90º counterclockwise rotation about point E, a reflection across line FG, and a vertical translation.

C. a reflection across line FI, a reflection across line GH, and a 180º clockwise rotation about point K.

D. a reflection across a vertical line through point K, a 180º clockwise rotation about point K, and a reflection across line EK.

E. a 180º clockwise rotation about point E, a reflection across a vertical line through point E, and a reflection across a horizontal line through point E

Answer Key:
A,D,E