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Math Chapter 2 Vocab

TermDefinition
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.
Created by: EmberIgnacak