Triangle - Rotational Symmetry

Rotate the polygon by moving the [b]RED X[/b] around the circle. Note each time the rotating polygon rotates "onto" the original shaded polygon.

How many times does a [b]REGULAR TRIANGLE[/b] rotate onto itself until it is back to the beginning? Include the rotation 360°.

2 5 4 3

Choose the list that includes all Rotational Symmetries for a [b]REGULAR TRIANGLE[/b]

90°, 180°, 270°, 360° None of the above. 60°, 120°, 180°, 360° 120°, 240°, 360°

Information: Triangle - Rotational Symmetry