Review Rigid Transformations

If Triangle A was rotated around the origin 90 degrees clockwise, what triangle would represent where it would end up?

• Triangle A

• Triangle B

• Triangle O

• Triangle Z

If Triangle A was rotated around the origin 90 degrees counterclockwise, what triangle would represent where it would end up?

• Triangle A

• Triangle B

• Triangle O

• Triangle Z

Which of the following are congruence transformations? (select all that apply)

• Translations

• Dilations

• Rotations

• Reflections

Which answer shows a reflection across the y-axis?

• a

• b

• c

• d

Identify the transformation from ABC to A'B'C'.

• 90^o clockwise rotation

• 90^o counter clockwise rotation

• Reflection across the y-axis

• Reflection across the x-axis

How is Quadrilateral EFGH translated to E'F'G'H'?

• 6 down

• 6 down, 1 right

• 6 down, 3 left

• 8 down, 1 right

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 the dotted figure is the image, the original figure was reflected over the ...

• x-axis

• y-axis

Describe the translation.

• Translate 3 up and 4 right

• Translate 3 down and 4 left

• Translate down 2

• Translate 1 up and 3 left