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Lesson 2-7

Lesson 2-7. Lesson Title Concept Checks. Check 1. Prove the following. Given: AC = AB AB = BX CY = XD Prove: AY = BD. Click the mouse button or press the Space Bar to display the answers. Check 1. Which reason correctly completes the proof?. Proof :. Statements Reasons. 1.

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Lesson 2-7

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  1. Lesson 2-7 Lesson Title Concept Checks

  2. Check 1 Prove the following. Given:AC = ABAB = BXCY = XD Prove:AY = BD Click the mouse button or press the Space Bar to display the answers.

  3. Check 1 Which reason correctly completes the proof? Proof: Statements Reasons 1. 1. Given AC = AB, AB = BX 2. 2. Transitive Property AC = BX CY = XD 3. 3. Given 4. AC + CY = BX + XD 4. Addition Property 5. 5. ________________ ? AC + CY = AY; BX + XD = BD 6. 6. Substitution AY = BD Concept Check

  4. Check 1 A. Addition Property B. Substitution C. Definition of congruent segments D. Segment Addition Postulate

  5. Check 1 Drop and drag the reason to the appropriate place Proof: Statements Reasons 1. 1. Given AC = AB, AB = BX 2. 2. ______________ AC = BX CY = XD 3. 3. Given 4. AC + CY = BX + XD 4. ______________ 5. 5. Segment Addition Post AC + CY = AY; BX + XD = BD 6. 6. ______________ AY = BD Concept Check Addition Property Substitution Transitive Property

  6. Check 2 Prove the following. Given: Prove:

  7. Check 2 Which choice correctly completes the proof? Proof: Statements Reasons 1. Given 1. 2. Transitive Property 2. 3. 3. Given 4. Transitive Property 4. ? 5. _______________ 5.

  8. Check 2 A. Substitution B. Symmetric Property C. Segment Addition Postulate D. Reflexive Property

  9. Check 4 Drop and drag the choices to the appropriate reasons Proof: Statements Reasons 1. Given 1. 2. ______________ 2. 3. 3. ______________ 4. Transitive Property 4. 5. _______________ 5. Given Symmetric Property Transitive Property

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