Rotating About a Point

If you were to rotate ABCD 90° counterclockwise about the origin, what would the coordinate of A' be?

• (-5, 5)

• (-3, 5)

• (-5, 3)

• (-3, 3)

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)

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

• 90°

• 180°

• 270°

• 360°

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

Click the correct answer.

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

• (0, 0)

• (-6, -5)

• (-1, 3)

• (-6, 2)

If you were to rotate ABCD 180°  about the origin, what would the coordinate of A' be? RULE: (-x.-y)

• (-5, 5)

• (-3, -5)

• (-5, 3)

• (-3, 3)

Match the algebraic rule to the transformation​ (a)  

Drag and drop each degree measure to fill in the blanks for the missing column.

b

a

c

180 degrees

270 degrees

90 degrees

The point (8,6) is rotated 90 degrees clockwise. What is the coordinate of the new point?