Rotations and Symmetry

How many lines of symmetry does this shape have?

• 1
• 2
• 4
• 6

How many lines of symmetry does this shape have?

• 1
• 2
• 3
• 4

How many lines of symmetry does this shape have?

• 1
• 2
• 3
• 4

How many lines of symmetry does this shape have?

• 0
• 1
• 2
• 4

How many lines of symmetry does this shape have?

• 2
• 4
• 6
• 8

How many lines of symmetry does this shape have?

• 0
• 1
• 2
• 4

How many lines of symmetry does this shape have?

• 2
• 4
• 6
• 8

How many lines of symmetry does this shape have?

• 1
• 2
• 4
• 8

How many lines of symmetry does the picture have? 

• 0 lines of symmetry
• 1 line of symmetry
• 2 lines of symmetry
• 4 lines of symmetry

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

• 72 degrees
• 144 degrees
• 72 and 144 degrees
• it has no rotational symmmetry