Rotation

If you rotate Pentagon ABCDE, where would point A end up after a rotation 72° counterclockwise?

• Point B

• Point C

• Point D

• Point E

What are the coordinates for A' after a 90^⁰ rotation clockwise?

• (1, 3)

• (3, 1)

• (3, -1)

• (1, -3)

Rotation Rules (clockwise):

180^o rotation: (x, y)→(-x, -y)

What are the coordinates of C' after a rotation of 180° clockwise?

• (-3, -1)

• (3,1)

• (1,3)

• (-1, -3)

What are the coordinates of B' after a 270° clockwise?

• (4, 4)

• (4, -4)

• (-3, 4)

• (-4, 4)

What is the degree of rotations between each blade in the picture?

• 45°

• 90°

• 60°

• 30°

How many degrees of rotation are there from petal to petal for this flower?

• 60°

• 45°

• 90°

• 75°

If you rotate Pentagon ABCDE 216° clockwise, where will point A end up?

• Point B

• Point C

• Point D

• Point E

A rotation counterclockwise of 120° is equivalent to a clockwise rotation of how many degrees?

• 60°

• 120°

• 180°

• 240°

A counterclockwise rotation of 125° is equivalent to a clockwise rotation of how many degrees?

• 235°

• 55°

• 125°

• 180°

Does the image show a rotation? If so, what is the angle of rotation?

• 90° counterclockwise

• 180° counterclockwise

• 270° counterclockwise

• Not a rotation