Orders of rotational symmetry

What do we call a polygon with five sides.

• Triangle

• Hexagon

• Nonagon

• Pentagon

• Quadrilateral

How many orders of rotational symmetry does a square have?

• 0

• 1

• 2

• 3

• 4

Name a shape that has no rotational symmetry.

• Equilateral triangle

• Scalene triangle

• Isosceles triangle

• Non-existent triangle.

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

• Square

• Hexagon

• Pentagon

• Heptagon

• Dodecagon

Look carefully at the shape. How many orders of rotational symmetry does it have?

• 2

• 3

• 4

• 5

• 6

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

Tags

CCSS.HSG.CO.A.4

A shape has ten sides of equal length but only five lines of rotational symmetry, what do we call this shape?

• Irregular Dodecagon

• Regular Nonagon

• Irregular Decagon

• Star

• Regular Star

This is a trapezium. Describe the rotational symmetry of this shape.

• No rotational symmetry

• Rotational symmetry order 1

• Rotational symmetry order 2

• Rotational symmetry order 3

• Rotational symmetry order 4

Name a quadrilateral with only one line of symmetry.

• Square

• Kite

• Rectangle

• Trapezium

• Quadrilateral