Math 9 Lesson #52 – Geometric Transformations Mrs. Goodman

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# Math 9 Lesson #52 – Geometric Transformations Mrs. Goodman - PowerPoint PPT Presentation

Math 9 Lesson #52 – Geometric Transformations Mrs. Goodman. Reflection. Pre-image Image. Rotation. Pre-image Image. Translation. Pre-image Image. Dilation. Pre-image Image. Isometry.

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## Math 9 Lesson #52 – Geometric Transformations Mrs. Goodman

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Presentation Transcript
1. Math 9 Lesson #52 – Geometric Transformations Mrs. Goodman

2. Reflection • Pre-image Image

3. Rotation • Pre-image Image

4. Translation • Pre-image Image

5. Dilation • Pre-image Image

6. Isometry • A transformation that preserves length, angle measure, parallel lines and distance between points.

7. Line Symmetry • Mapping a figure onto itself by a reflection over a line

8. How many lines of symmetry?

9. How many lines of symmetry?

10. Rotational Symmetry • Mapping a figure onto itself by a rotation of 180 degrees or less around its center

11. Rotational Symmetry?

12. Rotational Symmetry?

13. That’s all for today! • Thanks for working hard! • See you next time!