Rotations Warm Up

Triangle A is rotated 270° counterclockwise with the origin as the center of rotation to create a new figure. Which triangle shows the new location?

• A

• B

• C

• D

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

How many degrees was the figure rotated?

• 270 degrees counterclockwise

• 180 degrees

• 90 degrees counterclockwise

Tags

CCSS.HSG.CO.B.6

What is the angle of the counterclockwise rotation?

• 90°

• 180°

• 270°

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If (12,-19) if rotated 90 degrees CCW, what will it become?

• (12,-19)

• (19,12)

• (-19,-12)

• (-12,19)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What transformation occurred?

• translate down 6

• rotation 270 degrees counterclockwise

• rotation 180 degrees

• reflection across y = -x

Tags

CCSS.HSG.CO.A.2

Rotate the figure below 90 degrees counterclockwise.

• 
• 
• 
• 

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What transformation occurred?

• rotation 90 degrees counterclockwise

• rotation 270 degrees counterclockwise

• reflect across y = x

• translate right 1 and up 1

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Find the new points after (8,-4) (-9,1) (-4,0) (-2,-3) are rotated 270 degrees CCW

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Describe the transformation in the image.

• Translation

• Reflection

• Rotation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A turn is also called a ___________.

• Translation

• Reflection

• Rotation

• Transformation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5