# Flashcard Set Preview

Side ASide B

Define Transformation

an operation that maps the pre-image onto the image

Define Translation

a slide left, right, up or down

Define Reflection

a flip or mirror image of a figure

Define Rotation

a turn a certain amount of degrees

Define Pre-image

original figure

Define image

new figure (transformed figure)

Define Isometry

a transformation in the plane which present length (pre-image and image are congruent)

Define Rigid transformation

a transformation where the pre-image and image remain congruent

What is the result if two consecutive reflections over intersecting lines?

rotations

what is point symmetry?

at one point one angle is 180

How do you now the rotation of a figure?

360 divided by number of rotations.....then at the number until you get to 360