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Congruence and Similarity

Congruence and Similarity

Learn and practice identifying similar and congruent figures with interactive resources from GeoGebra.

Middle School

GRADES 6-8

Angles Formed by Parallel Lines

Identify the congruent and supplementary relationships of the angles formed by cutting parallel lines by a transversal.

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探索

GR. 6-8

Corresponding Angles Formed By Parallel Lines and a Transversal

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探索

GR. 6-8

Vertical Angles Formed by Parallel Lines and a Transversal

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探索

GR. 6-8

Alternate Angles Formed by Parallel Lines and a Transversal

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探索

GR. 6-8

Supplementary Angles Formed by Parallel Lines and a Transversal

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练习

GR. 6-8

Determining Measures of Angles Formed by Parallel Lines and a Transversal

Corresponding Parts of Similar Figures

Use proportions to express relationships between corresponding parts of similar figures.

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探索

GR. 6-8

Changing Scale Factor

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练习

GR. 6-8

Calculating Scale Factors of Similar Figures

Identifying Proportional Parts Using Measurement

Identify proportional parts of similar figures using rulers and protractors.

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练习

GR. 6-8

Identifying and Measuring Corresponding Sides of Similar Figures

Similar Polygons

Use proportional reasoning to solve problems related to similar polygons.

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练习

GR. 6-8

Applying Proportions to Similar Polygons

Similarity and Congruence

Identify corresponding parts of similar and congruent figures.

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探索

GR. 6-8

Identifying Congruent Figures Using Transformations

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探索

GR. 6-8

Corresponding Parts of Similar Figures

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练习

GR. 6-8

Congruency by Corresponding Parts

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练习

GR. 6-8

Angle Measures in Congruent Figures

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练习

GR. 6-8

Similarity by Transformations

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练习

GR. 6-8

Side Lengths in Similar Figures

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