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Geometry Study Guide For Transformation


  
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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

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