1. The Symmetry of Logos Geometry CP Chapter 7 Project Introduction Mrs. Mongold

2. What is symmetry? Talk with your partner, discuss different ideas, definitions, examples, of symmetry. Talk with your partner, discuss different ideas, definitions, examples, of symmetry. Discuss with the class Discuss with the class

3. Symmetry is an important concept in geometry Symmetry is an important concept in geometry –Provides balance and beauty –Natural and manmade –Artists use it because it captures the attention of veiwers

4. Examples in nature Lots of Plants have symmetry Lots of Plants have symmetry

5. Butterflies have symmetry Butterflies have symmetry

6. Flowers have symmetry Flowers have symmetry

7. Shells have symmetry Shells have symmetry

8. Logos have symmetry What company is this? What company is this?

9. Logos have symmetry What company is this? What company is this?

10. Logos have symmetry What company is this? What company is this?

11. Logos have symmetry What company is this? What company is this?

12. Answers McDonalds McDonalds Buick Buick Tommy Hilfiger Tommy Hilfiger AT&T AT&T

13. Types of Symmetry Reflection: the figure can be divided into two parts that are mirror images of each other Reflection: the figure can be divided into two parts that are mirror images of each other Rotation: a figure coincides with its original position when turned about a point Rotation: a figure coincides with its original position when turned about a point Translation: a figure coincides with its original position when it is moved right, left, up, down, or any combination of these directions Translation: a figure coincides with its original position when it is moved right, left, up, down, or any combination of these directions Any combination of the above Any combination of the above