The Symmetry of The Symmetry of LogosLogos

Geometry CPGeometry CP

Chapter 7 Project IntroductionChapter 7 Project Introduction

Mrs. MongoldMrs. Mongold

What is symmetry?What is symmetry?

Talk with your partner, discuss Talk with your partner, discuss different ideas, definitions, different ideas, definitions, examples, of symmetry.examples, of symmetry.

Discuss with the classDiscuss with the class

Symmetry is an important Symmetry is an important concept in geometryconcept in geometry– Provides balance and beautyProvides balance and beauty– Natural and manmadeNatural and manmade– Artists use it because it captures the Artists use it because it captures the

attention of veiwersattention of veiwers

Examples in natureExamples in nature

Lots of Plants have symmetryLots of Plants have symmetry

Butterflies have symmetryButterflies have symmetry

Flowers have symmetryFlowers have symmetry

Shells have symmetryShells have symmetry

Logos have symmetryLogos have symmetry

What company is this?What company is this?

Logos have symmetryLogos have symmetry

What company is this?What company is this?

Logos have symmetryLogos have symmetry

What company is this?What company is this?

Logos have symmetryLogos have symmetry

What company is this?What company is this?

AnswersAnswers

McDonaldsMcDonalds BuickBuick Tommy HilfigerTommy Hilfiger AT&TAT&T

Types of SymmetryTypes of Symmetry

Reflection: the figure can be divided Reflection: the figure can be divided into two parts that are mirror images into two parts that are mirror images of each otherof each other

Rotation: a figure coincides with its Rotation: a figure coincides with its original position when turned about a original position when turned about a pointpoint

Translation: a figure coincides with its Translation: a figure coincides with its original position when it is moved original position when it is moved right, left, up, down, or any right, left, up, down, or any combination of these directionscombination of these directions

Any combination of the aboveAny combination of the above