Understanding rotational symmetry

A regular hexagon is rotated about its center. By which angle could the hexagon be rotated so that it is mapped onto itself?

• A. 30°

• B. 45°

• C. 60°

• D. 90°

Which one is the order of rotation of equilateral triangle?

• order 0

• order 1

• order 2

• order 3

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

• 216

• 270

• 300

• 320

Find the order of rotational symmetry in this shape.

• 2

• 3

• 4

• 5

Determine the minimum angle of rotation of the figure.

• No rotational symmetry

• 45

• 90

• 75

What is the angle of rotational symmetry when the order is 3?

• 30°
• 60°
• 90°
• 120°

What angles of rotational symmetry does this figure have? Check ALL that apply!

• 72°

• 90°

• 216°

• 180°

How many degrees can this shape be rotated by to rotate back onto itself?

• about 51.4

• about 72

• about 46

• about 82

What are the angles of rotation for a rectangle?

• multiples of 45
• multiples of 90
• multiples of 180
• 360

What is the order of rotational symmetry of the following figure?

• 1

• 3

• 5

• 7