Symmetry Lesson

How many lines of symmetry does this shape have?

• 0
• 1
• 2
• 4

How many lines of symmetry does this shape have?

• 0
• 1
• 2
• 4

How many lines of symmetry does this shape have?

• 1
• 2
• 4
• 6

Which of the following letters does not have a line symmetry, but has a rotational symmetry:

• H
• I
• Z
• X

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

• 72°
• 180°
• 144°
• 45°

What are the angles of rotation for a square?

• multiples of 30
• multiples of 45
• multiples of 90
• multiples of 180

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

• 60
• 135
• 120
• 240

How many lines of symmetry does this shape have?

• 1
• 2
• 3
• 4

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

• F
• G
• E
• D

How many lines of symmetry does this trapezoid have?

• 0
• 1
• 2
• 3