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Definition
| The new figure formed when a figure in a plane can be reflected, rotated, or translated to produce. |
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| The original figure before it is reflected, rotated, or translated in a plane. |
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| The operation that maps, or moves, the preimage onto the image; a reflection, rotation, or translation. |
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Definition
| A transformation that preserved lengths. |
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Definition
| A transformation where a line acts like a mirror and an image is reflected over the line. |
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| The mirror line that reflects a figure over a line. |
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Definition
| A figure in the plane that can be mapped onto itself by a reflection in the line. |
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| A transformation in which a figure is turned about a fixed point. |
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Definition
| The fixed point that a rotation is turned about. |
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Definition
| Angle formed by the rays drawn from the center of rotation to a point and its image. |
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| If a figure can be mapped onto itself by a rotation of 180 degrees or less. |
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Definition
| A transformation that maps every two points P and Q in the plane to points P' and Q' so that PP' and QQ' are congruent and either parallel or collinear. |
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Definition
| The starting point of the vector P in a translation. |
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Definition
| The ending point in vector P of the translation. |
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| A quantity that has both direction and magnitude. |
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Definition
| A transformation in which every point P is mapped onto a point P'' by a translation and then a reflection. |
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Definition
| When two or more transformations are combined to produce a single transformation. |
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Term
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Definition
| A vector combines the horizontal and vertical components of a translation. |
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