Question 1
If an object has a 120° clockwise rotation as one of its symmetries, then it must also have as a symmetry
◦ a 60° clockwise rotation.
◦ a 180° rotation.
◦ a 60° counterclockwise rotation.
◦ a 120° counterclockwise rotation.
◦ none of these
Question 2
If an object has a 240° clockwise rotation as one of its symmetries, then it must also have as a symmetry
◦ a 90° clockwise rotation.
◦ a 180° rotation.
◦ a 90° counterclockwise rotation.
◦ a 120° clockwise rotation.
◦ none of these