Rotational Symmetry of Regular Polygons

Does the EQUILATERAL TRIANGLE rotate onto itself when rotated at 90°?

Choose the list that includes all Rotational Symmetries for an EQUILATERAL TRIANGLE. (Angles at which it lines up with the original triangle)

Does the SQUARE have 90° rotational symmetry?

Choose the list that includes all Rotational Symmetries for a SQUARE. (Angles at which it lines up with the original square)

Does a REGULAR PENTAGON have 90° rotational symmetry?

Choose the list that includes all Rotational Symmetries for a REGULAR PENTAGON. (Angles at which it lines up with the original pentagon)

Does a REGULAR Hexagon have 90° rotational symmetry?

Choose the list that includes all Rotational Symmetries for a REGULAR Hexagon. (Angles at which it lines up with the original pentagon)

How many times did the rectangle land onto itself?

How many times did the trapezoid land onto itself?

Does a REGULAR OCTAGON have 90° rotational symmetry?

Choose the list that includes all Rotational Symmetries for a Regular Octagon.

How many sides do the shapes with 90 degree rotational symmetry have? Do you think there's a pattern?