Unit 2: Congruence, Similarity, & Proofs

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Presentation transcript:

Unit 2: Congruence, Similarity, & Proofs 2.8 Prove Theorems about Lines and Angles

2.8 Prove Theorems about Lines and Angles Daily Agenda 𝑨𝑩 ≅ 𝑨𝑪

2.8 Prove Theorems about Lines and Angles Daily Agenda Given Definition of congruent segments Reflexive Property Segment Addition Postulate Segment Addition Postulate Substitution Property Definition of congruent segments

2.8 Prove Theorems about Lines and Angles Daily Agenda Example 2 Given Definition of Linear Pair Linear Pair Theorem Definition of supplementary angles Substitution Property Subtraction Property

2.8 Prove Theorems about Lines and Angles Daily Agenda Example 3 Given Definition of Linear Pair Definition of opposite rays Angle Addition Postulate Definition of Supplementary

2.8 Prove Theorems about Lines and Angles Daily Agenda Example 4 Given Alternate Interior Vertical Angles Theorem Substitution Property

2.8 Prove Theorems about Lines and Angles Daily Agenda Given Definition of Complementary Angles Substitution Property Reflexive Property Subtraction Property Definition of Congruent Angles

2.8 Prove Theorems about Lines and Angles Daily Agenda Given Def. of Linear Pair OR Def. of Supplementary Angles Corresponding Angles Theorem Definition of congruent angles Substitution