Answer:
1) There are six rotational symmetries. They are 60۫, 120۫, 180۫, 240۫, 300۫, and 360۫.
2) The angle of rotation is 60۫.
Teacher Note:
Rotational symmetries refers to the numbers of degrees a figure can be rotated and fit exactly on itself.[1]
[1] Billstein, R. & Williamson, J. (1999). MathThematics, Book 2. (page 604). Evanston, IL: McDougal Littell.