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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