Rigid Motions

Basic rigid motions ________________ the size and shape figures.

• enlarge

• reduce

• preserve

• change

Which of the following figures could NOT be mapped onto each other using a basic rigid motion?

• 
• 
• 
• 

Which vector could map point A onto its image T(A)?

• Vector PQ

• Vector SR

How do you translate a figure along a vector?

• Move each point the same distance and direction of the vector.

• Flip each point along the vector.

• Turn each point around a point.

Which of the following is TRUE about reflections?

• You move the figure the same distance and direction as the vector.

• The image and preimage are the SAME distance away from the line of reflection.

• A reflection is a counterclockwise or clockwise turn around a point.

Which direction is the rotation if d < 0?

• clockwise

• counterclockwise

Which direction is the rotation if d > 0?

• clockwise

• counterclockwise

Angle ABC measures 40 degrees. Angle ABC is translated along vector EF to form Angle A'B'C'. What is the measure of Angle A'B'C'?

• 40 degrees

• 80 degrees

• 120 degrees

• 20 degrees

A 90-degree angle is reflected across the y-axis. What is the angle measurement of the image?

• 90 degrees

• 180 degrees

• 360 degrees

• 45 degrees

Figure A has been reflected to form Figure A'.

Which angle is the same measure as <x?

• < m

• < n