4.9.B*

This lesson discusses the transformations which reposition figures: rotations, reflections, and translations.

Notice that none of these transformations affect the size or shape of the figure being transformed.
These transformations result in figures which are congruent to the original (pre-transformed) figures.

ROTATION

Image 1 shows the original image. Image 2 shows the image after it has been rotated.


Image 1		Image 2

REFLECTION

Image 1 shows the original image. Image 2 shows the image after it has been reflected.


Image 1		Image 2

TRANSLATION

Image 1 shows the original image.
Image 2 shows the image after it has been translated.


Image 1		Image 2

Transformations

Texas Essential Knowledge and Skills (TEKS): 4.9.B*

use translations, reflections, and rotations to verify that two shapes are congruent; and

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