2.3 Congruent Figures

Question 1

Rigid transformation

Answer 1

Movement that changes the position of a figure but not its size; translations, reflections, and rotations.

Question 2

Congruent

Answer 2

Having the same size and shape; expressed with the symbol ≅.

Question 3

There is something special about the image that is produced after a rigid transformation.

After a rigid transformation, the pre-image and the image are _____________

Answer 3

congruent

Question 4

If you can establish that a _______ _______________ has occurred, you can conclude that the figures are congruent.

Answer 4

rigid transformation

Question 5

You may be wondering why sequences of transformations are important!

Answer 5

It’s how it would work in the real world. Perform the rotation, reflection first and then the translation up on down on the coordinate plane.