Rigid Motions and Symmetry

True or False: Rigid motions preserve angle measure.

• True

• False

True or False: Rigid motions preserve segment length.

• True

• False

A rigid motion ...

• preserves size and location
• preserves shape and location
• preserves size and shape
• makes the figure larger

The original figure prior to a transformation.

• Pre-image
• Image

Identify the transformation:

• Rotation

• Reflection

• Translation

• Dilation

Identify the transformation:

• Rotation

• Reflection

• Translation

• Dilation

How is trapezoid ABCD translated to trapezoid A'B'C'D'?

• Translated 5 units down and 5 units to the right
• Translated 5 units down and 1 to the right
• Translated 8 units down and 5 units to the right
• Translated 5 units down and 4 units to the right

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

A rigid motion creates figures that are ____________.

• congruent
• different sizes
• similar
• larger

Triangle A is rotated 90° clockwise with the origin as the center of rotation to create a new figure. Which triangle shows the new location?

• A

• B

• C

• D