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Assess Yourself

It's time to practice one more time before you take the quiz.

Before your quiz, take some time to review the concepts in the questions below. If you get a question wrong, make sure to review that part of the lesson before taking the quiz.

1. True or false: the following figure has rotational symmetry. 

rotational symmetry

  1. True
  2. False

True. The figure has a angle of rotation equal to 120°.

True. The figure has a angle of rotation equal to 120°.

2. True or false: the following figure has reflectional symmetry.

reflectional symmetry

  1. True
  2. False

False. No matter whereyou draw the line of symmetry the left and right sides will not be reflections of each other.

False. No matter whereyou draw the line of symmetry the left and right sides will not be reflections of each other.

3.  True of false: the following figure has both rotational and reflectional symmetry.

octagon

  1. True
  2. False

True. This figure has an angle of rotation equal to 60° and six lines of symmetry.

True. This figure has an angle of rotation equal to 60° and six lines of symmetry.

4.  What is the angle of rotation of the following figure?

angle of rotation

  1. 60°
  2. 72°
  3. 90°
  4. 120°

The angle of rotation of this figure is 72°. Any other angle will not produce the same figure.

The angle of rotation of this figure is 72°. Any other angle will not produce the same figure.

The angle of rotation of this figure is 72°. Any other angle will not produce the same figure.

The angle of rotation of this figure is 72°. Any other angle will not produce the same figure.

5.  What is the angle of rotation of the following figure?

clover

  1. 60°
  2. 72°
  3. 90°
  4. 120° 

The angle of rotation of this figure is 90°. Any other angle will not produce the same figure.

The angle of rotation of this figure is 90°. Any other angle will not produce the same figure.

The angle of rotation of this figure is 90°. Any other angle will not produce the same figure.

The angle of rotation of this figure is 90°. Any other angle will not produce the same figure.

6.  How many lines of symmetry does this figure have?

lines of symmetry

  1. None
  2. 1
  3. 2
  4. 3

The following are the two lines of symmetry for this image.lines of symmetry

The following are the two lines of symmetry for this image.lines of symmetry

The following are the two lines of symmetry for this image.lines of symmetry

The following are the two lines of symmetry for this image.lines of symmetry

Summary

Questions answered correctly:

Questions answered incorrectly: