Rotation Counterclockwise Origin

What is the angle of rotation for this counterclockwise rotation about the origin?

• 90°

• 180°

• 270°

• 360°

Triangle A is rotated 270° counterclockwise with the origin as the center of rotation to create a new figure. Which rule describes rotating 270° counterclockwise?

• (x,y)→(y, -x) 

• (x,y)→(x,y)

• (x,y)→(-y,x)

• (x,y)→(-x,-y)

If you were to rotate ABCD 180°  about the origin, what would the coordinate of A' be?

• (-5, 5)

• (-3, -5)

• (-5, 3)

• (-3, 3)

The image A'B'C' is a rotation of ABC.

• True

• False

What is a transformation that turns a figure about a fixed point for a given angle?

• Point of Rotation 

• Vertex 

• Rotations

• Image 

Triangle A is rotated 90° counterclockwise with the origin as the center of rotation to create a new figure. Which triangle shows the new location?

• A

• B

• C

• D

The red triangle represents what type of rotation:

• 180° Clockwise

• 90° Counter Clockwise

• 90° Clockwise

• 270° Counter Clockwise

How many degrees was the figure rotated?

• 90 degrees counterclockwise 

• 180 degrees

• 90 degrees clockwise

What is this picture an example of? 

• An angle

• A cat vertex 

• Rotation 

• Dilation

How many degrees was the figure rotated?

• 90 degrees counterclockwise 

• 180 degrees

• 90 degrees clockwise