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2.7 Prove Theorems about Lines and Angles

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Presentation on theme: "2.7 Prove Theorems about Lines and Angles"β€” Presentation transcript:

1 2.7 Prove Theorems about Lines and Angles
Unit 2B: Proofs 2.7 Prove Theorems about Lines and Angles

2 2.7 Prove Theorems about Lines and Angles
Daily Agenda 𝑨𝑩 β‰… 𝑨π‘ͺ

3 2.7 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

4 2.7 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

5 2.7 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

6 2.7 Prove Theorems about Lines and Angles
Daily Agenda Example 4 Given Alternate Interior Vertical Angles Theorem Substitution Property

7 2.7 Prove Theorems about Lines and Angles
Daily Agenda Given Definition of Complementary Angles Substitution Property Reflexive Property Subtraction Property Definition of Congruent Angles

8 2.7 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

9 Complete the proof.

10 Complete the proof.

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