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Name _______________________________________ Date __________________ Class __________________ LESSON 7-3 Reteach Triangle Similarity: AA, SSS, and SAS Angle-Angle (AA) Similarity Side-Side-Side (SSS) Similarity Side-Angle-Side (SAS) Similarity If two angles of one triangle are congruent to two angles of another triangle, then the triangles are similar. If the three sides of one triangle are proportional to the three corresponding sides of another triangle, then the triangles are similar. If two sides of one triangle are proportional to two sides of another triangle and their included angles are congruent, then the triangles are similar. ABC DEF ABC DEF ABC DEF Prove that the triangles are similar, and write a similarity statement. 1. 2. 3. Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor. 7-22 Holt Geometry Name _______________________________________ Date __________________ Class __________________ LESSON 7-3 Practice B Triangle Similarity: AA, SSS, SAS Prove that the triangles are similar and write a similarity statement. 1. 2. 3. JLK and JMN 4. PQR and UTS Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor. 7-20 Holt Geometry