3. If the figure has rotational symmetry, find the angle of rotation about the center that results in an image that matches the original figure.

(1 point)90°
120°
210°
no rotational symmetry

Question

3.   If the figure has rotational symmetry, find the angle of rotation about the center that results in an image that matches the original figure.

  (1 point)90°
120°
210°
no rotational symmetry

anonymous · Answer

i think 120 because its not exactly 90 degrees

anonymous · Answer

yes, 120 seems to be the correct answer. the pattern seems to repeat 3 times. 360/3 = 120. this webpage might help to clear it up a bit more. http://www.mathsisfun.com/geometry/symmetry-rotational.html

anonymous · Answer

Awesome! Thank you.