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Define Transformation
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An operation that maps the pre-image onto the image
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Define Translation
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A slide left, right, up or down
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Define Reflection
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A flip or mirror image of a figure
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Define Rotation
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A turn a certain amount of degrees
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Define Pre-image
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Original figure
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Define image
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New figure (transformed figure)
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Define Isometry
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A transformation in the plane which present length (pre-image and image are congruent)
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Define Rigid transformation
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A transformation where the pre-image and image remain congruent
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What is the result if two consecutive reflections over intersecting lines?
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Rotations
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What is point symmetry?
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At one point one angle is 180
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How do you now the rotation of a figure?
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360 divided by number of rotations.....then at the number until you get to 360
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