The center of the equilateral triangle below is at the origin.
←+
-7-6-5-4-3-2
S
Rotation
64
5-
4-
3-
-2-
-3-
--4-
-5-
1 2 3 4 5 6 7
Which of the following rotational symmetries apply to the equilateral triangle?
Applies to the figure?
I
Rotational symmetry of 120° about the origin
Rotational symmetry of 180° about the origin
Yes/No v
Yes/No