4.1 Congruent Figures 2010 - Poudre School...

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4.1 Congruent Figures 2010 1 October 26, 2010 Nov 1311:51 AM 4.1 Congruent Figures Objective: Recognize congruent figures and their corresponding parts.

Transcript of 4.1 Congruent Figures 2010 - Poudre School...

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4.1 Congruent Figures

Objective:   Recognize congruent figures and their corresponding parts.

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3.6 Hmwk KEY

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What is the difference between congruent and similar triangles?

• Write a definition for each in your own words.

• Draw and example of each.

you look familiar

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Congruent figures have exactly the same size and shape.

When two figures are congruent you can move one so that it fits exactly on the other one.

Congruent polygons have congruent corresponding parts.

To name congruent polygons list them in order of their congruent parts. 

A B

CD

W X

YZ

ABCD ≅ YZWX

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A B

CD

W X

YZ

ABCD ≅ YZWXList the congruent corresponding parts.

Sides:

Angles:

Naming Congruent Parts

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Statements Reasons

Warm­up

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Homeworkpage: 200

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