Identifying Similar Figures and Their Properties

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Determine whether two figures are similar by checking for congruent corresponding angles and proportional corresponding sides.

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Similarity, Dilations, and the AA Criterion

10th Grade · Math · TEKS

7 lessons

Goal

Define similarity through dilations, identify properties of similar figures, and use the AA criterion to verify similar triangles.

7 lessons

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Understanding Similarity Through DilationsUp next
Identifying Similar Figures and Their PropertiesYou are here
Similar Polygons: Ratios of Corresponding Sides and AnglesNot started yet
Using Dilations to Verify SimilarityNot started yet
Similarity of Triangles: Proportional Corresponding SidesNot started yet
The Angle-Angle (AA) Similarity CriterionNot started yet
Applying the AA Criterion to Verify Similar TrianglesNot started yet

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Learning standards covered

111.41(b)(7)(A)Texas Essential Knowledge and Skills (TEKS) · Math · 10th Grade

apply the definition of similarity in terms of a dilation to identify similar figures and their proportional sides and the congruent corresponding angles; and

Open Global Standard:OGM.11.GEO.3

111.41(b)(1)(F)Texas Essential Knowledge and Skills (TEKS) · Math · 10th Grade

analyze mathematical relationships to connect and communicate mathematical ideas; and

Open Global Standard:OGM.11.GEO.1

OGM.11.GEO.3

OGM.11.GEO.1