Symmetry

If a shape can be rotated around and fits on top of itself perfectly exactly 3 times, then describe its rotational symmetry. The shape has ....

• No rotational symmetry

• Rotational symmetry order 1

• Rotational symmetry order 2

• Rotational symmetry order 3

• Rotational symmetry order 4

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

• 72°
• 180°
• 144°
• 45°

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

• 90°
• 180°
• 45°
• 60°

What is the order and angle of rotation of the flower?

• Order 6, 60 degrees
• Order 4, 90 degrees
• Order 3, 120 degrees
• Order 6, 254 Degrees

What is the angle of rotation when the order is 10 (regular decagon)?

• 40 degrees

• 36 degrees

• 10 degrees

• 12 degrees

What is the angle of rotational symmetry when the order is 3 (regular triangle)?

• 30°

• 60°

• 90°

• 120°

What type of symmetry does this shape have?

• Only Rotational
• Only Line
• Both Rotational and Line
• Neither Rotational nor Line

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

• 280

• 90

• 120

• 180

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

• 320

• 144

• 135

• 216

• 72

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

• 60

• 240

• 288

• 320