Describe Rotations

Describe the transformation.

• Rotation 90 degrees counterclockwise

• Rotation 180 degrees

• Rotation 360 degrees counterclockwise

• Rotation 360 degrees

Point A (-3, 5) is rotated 270 counterclockwise degrees about the origin. What the coordinates of its image?

• (5, 3)

• (-5, -3)

• (3, -5)

• (-5, 3)

Using the graph above, rotate and graph the image of ABCD about the origin 180 degrees. Which quadrant will contain its image?

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

Using the graph above, rotate and graph the image of triangle ABC about the origin 270 degrees counterclockwise. Which quadrant will contain its image?

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

What is the angle of rotational symmetry?

• 360°

• 180°

• 120°

• 90°

Does the figures have Rotational symmetry?​ ​ If so, give the magnitude (measure of the angle of rotation).?​ ​ ​

• yes

• 72

• no

• 360

• 180

• 60

• 45

• 90

• 48

• none

Does the figures have Rotational symmetry?​ ​ (a)   If so, give the magnitude (measure of the angle of rotation).?​ ​ ​ (b)   ​

• yes

• 72

• no

• 360

• 180

• 60

• 45

• 90

• 48

• none

Does the figures have Rotational symmetry?​ ​ (a)  

If so, give the magnitude (measure of the angle of rotation).?​ ​ ​ (b)   ​

• yes

• 72

• no

• 360

• 180

• 60

• 45

• 90

• 48

• none

Find the image of triangle ABC after rotating 90 degrees counterclockwise about the origin. What are the coordinates of C' ?

• (3, -4)

• (-4, -3)

• (4, 3)

• (-3, 4)

Rotate the point (-3,-4) around the origin 180 degrees. State the image of the point.

• (-4, -3)

• (-4, 3)

• (4, -3)

• (3, 4)