Properties of Orientation and Congruence

• None

• Angle Congruence Theorem

• Definition of Congruence

• CPCF Theorem

• Corresponding Angles Postulate

• Angle Congruence Theorem

• Definition of Congruence

• CPCF Theorem

• Segment Congruence Theorem

Which of the following is true about Translations? (Select All that apply)

• The rules only use addition and subtraction.

• The orientation changes.

• They can only have a positive scale factor.

• They preserve congruence.

Which of the following is true about the transformation that uses this rule: (x,y) -> (rx, ry)(Select all that apply)

• If r is more than one then the image will be bigger the pre-image.

• The orientation of the shapes are not preserved.

• If r is between 0 and 1 then the image and pre-image are not congruent.

• Congruence is preserved.

Identify the transformation given the rule: (x,y) -> (x, -y)

• Translations

• Reflections

• Dilations

• Rotations

Which of the following is true about the transformation that uses this rule: (x,y) -> (x+3, y-4)

• The pre-image is two times bigger than the image.

• The image is five times bigger than the pre-image.

• Both the image and the pre-image have equal corresponding angle measures.

• The angle measures in the image is greater than the corresponding angle measures for the pre-image.

Does the transformation shown preserve congruence and orientation?

• Congruence yes, Orientation yes

• Congruence No, Orientation No

• Congruence No, Orientation yes

• Congruence Yes, Orientation No

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

Which representation of a transformation on a coordinate grid preserves congruence?
I. Rotation
II. Reflection
III. Dilation
IV. Translation

• I, II, and IV

• I and II only

• I, II, and III

• IV only