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8th Grade G.1 & G.2
Domain Specific Words
Term | Definition |
---|---|
Angle of rotation | The amount of rotation (in degrees) of a figure about a fixed point such as the origin |
Center of rotation | In a rotation, it is the point that does not move |
Congruent | Having the same size, shape, and measure |
Image | The result of a transformation |
Pre-Image | A figure before a transformation has taken place |
Reflection | A mirror image |
Reflection line | A line that acts as a mirror so that corresponding points are the same distance from the mirror |
Rotation | A transformation that turns a figure about a fixed point |
Transformation | A change in position or size; reflection, rotation, translation, or dilation |
Translation | Moving a figure in any direction without rotating it |