Rotational Symmetry Understanding

Determine if the figure has line, point, and/or rotational symmetry. Check all that apply.

• Line

• Point

• Rotational

• None

Which figure has 120 degree rotational symmetry

• line

• circle

• square

• equilateral triangle

What is the angle of rotation that maps a figure onto itself if the figure has rotational symmetry of order 6?

• 30 degrees

• 60 degrees

• 90 degrees

• 180 degrees

Identify the smallest angle of rotation that maps the image to itself.
Use the number of edges as n.

• 90°

• 180°

• 45°

• 60°

What is(are) the angle(s) of rotation needed to rotate this octagon onto itself?

• 45, 135 

• 90, 180 

• both a and b 

• none of the above

Which number of degrees below describes an angle that can rotate this regular polygon back onto itself?

• 320

• 144

• 135

• 270

Angle of rotation symmetry

Which of the the following angle of rotations would map the regular hexagon onto itself?

• 52°

• 108°

• 120°

• 305°

What are the angles of rotation for a square?

• multiples of 30

• multiples of 45

• multiples of 90

• multiples of 180

What order of rotation and angle of rotation does the picture have?

• Order = 1,    360⁰

• Order = 2,    180⁰

• Order = 3,    120⁰

• Order = 4,    90⁰