Angles of Rotational Symmetry

What is one of the angles of rotation needed to rotate this octagon onto itself?

• 60

• 135

• 120

• 240

What are the angles of rotation for a square?

• multiples of 30

• multiples of 45

• multiples of 90

• multiples of 180

Identify the smallest angle of rotation that maps the image to itself.

• 60°

• None

• 51.4°

• 45°

Identify the smallest angle of rotation that maps the image to itself.

• 72°

• 180°

• 144°

• 45°

Find the order of rotational symmetry in this shape.

• 4

• 8

• 7

• 6

Find the order of rotational symmetry in this shape.

• 3

• 2

• 1

• 0

Find the order of rotational symmetry in this shape.

• 6

• 8

• 7

• 4

Find the order of rotational symmetry in this shape.

• 0

• 1

• 2

• 3

If a shape has 6 orders of rotational symmetry, which of the following regular polygons could it be?

• Square

• Hexagon

• Pentagon

• Heptagon

What is the center of rotation need to rotate the triangle onto itself?

• F

• G

• E

• D