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Math Chapter 2 Vocab
Term | Definition |
---|---|
X-Axis | The line on a graph that runs horizontally through zero |
Dilation | A transfer motion where a shape is made larger (or smaller) without changing position or direction. |
Corresponding sides | Matching sides. |
Angle of Rotation. | The number of degrees that something is rotated about a fixed point. |
Rotation | A circular movement |
Transformations | Changes a figure into another figure. |
≅ | Congruent to/has the same size and shape. |
Center of Dilation | A point that is the beginning of dilation |
Translation | Slides but does not turn. |
Translate | Slide from one place to another. |
Center of Rotation | The point around which an object is rotated. |
Congruent Figures. | Figures that have the same size and all the same shape. |
Corresponding Angles. | Matching angles |
Similar Figures | Figures that have the same shape but not the same size. |
Reflection | An image or shape as it would be seen in a mirror. |
Line of Reflection | A line midway between something called a pre-image and it's mirror reflection |
~ | Is similar to |
Y-axis | The line on a graph that runs vertically through zero |
A' | Use when naming an image |
Coordinate Plane | The plane containing the "X" axis and the "Y" axis. |
Image | An image which is like a reflection in a mirror. |
Tessellation | Pattern of shapes that fit together without any gaps. |