Flashcard Set Preview
Side A  Side B  
1 
Define Transformation

an operation that maps the preimage onto the image


2 
Define Translation

a slide left, right, up or down


3 
Define Reflection

a flip or mirror image of a figure


4 
Define Rotation

a turn a certain amount of degrees


5 
Define Preimage

original figure


6 
Define image

new figure (transformed figure)


7 
Define Isometry

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


8 
Define Rigid transformation

a transformation where the preimage and image remain congruent


9 
What is the result if two consecutive reflections over intersecting lines?

rotations


10 
what is point symmetry?

at one point one angle is 180


11 
How do you now the rotation of a figure?

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