'Proving lines parallel' diaporamas de présentation

Parallel & Perpendicular Lines

Parallel & Perpendicular Lines. Chapter 3. Parallel Lines & Transversals. Section 3.1. Vocabulary. Parallel lines Parallel planes Skew lines Transversal Consecutive interior angles Alternate interior angles Alternate exterior angles Corresponding angles. Example 1 . Example 2.

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Chapter 3.1

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Chapter 7 Review

Chapter 7 Review. By Sarah & Gabby. 7-1 Parallel Lines and related Angles. A transversal is a line that intersects two coplanar lines at two distinct points. The blue line is a transversal. 7-1 Parallel Lines and related Angles.

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Angles Formed by Parallel Lines and Transversals

Angles Formed by Parallel Lines and Transversals. 21.1. Warm Up. Lesson Presentation. Lesson Quiz. Holt McDougal Geometry. Holt Geometry. 21.1. Warm Up Identify each angle pair. 1. ?1 and ?3 2. ?3 and ?6 3. ?4 and ?5 4. ?6 and ?7. corr. ?s. alt. int. ?s. alt. ext. ?s.

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3-3

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3-3

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3-3

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3-4

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3-3

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3-3

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3-3

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Warm Up State the converse of each statement. 1. If a = b , then a + c = b + c .

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3-3 Proving Lines Parallel

3-3 Proving Lines Parallel. Objectives. Students will be able to Determine whether two lines are parallel Write flow proofs Define and apply the converse of the theorems from the previous section. Essential Understanding.

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Proving Lines Parallel (G.2d)

Proving Lines Parallel (G.2d). Objective : SWBAT determine if two lines are parallel (3.3) *hw/hw log/storybook/workbook p. 67. Warm-Up : worksheet 1-18. Homework (day 12)- check odd answers in text: p. 160 (7, 10, 12, 13-16, 17-26, 27-29 ) Bring Graph paper- Leave in notebook

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Chapter 3

Chapter 3 . Lines and Angles. Chapter 3: Lines and Angles. Essential Questions: What are the characteristics of parallel and perpendicular lines that can assist me to solve for missing angles? How are the different angles made by interesting lines related to each other? Essential Skills

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3-5 Proving Lines Parallel

3-5 Proving Lines Parallel. Ms. Andrejko. Real World. Postulates and Theorems. Postulates 3.4 3.5 Theorems 3.5 3.6 3.7 3.8. Examples. Given the following information, determine which lines, if any, are parallel. State the postulate or theorem that justifies your answer 1. ?3 ? ?7

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Lesson 2 - 5

Proving Lines Parallel. Lesson 2 - 5. Proving Lines Parallel - Postulates & Theorems. If two lines are cut by a transversal and corresponding angles are congruent , then the lines are parallel. Proving Lines Parallel - Postulates &Theorems.

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Geometry

Geometry. Section 3.4 Proving Lines Parallel. congruent. The lines are parallel. congruent. The lines are parallel. Supplementary. The lines are parallel. congruent. The lines are parallel. a II c AEATC. a II c CAPC. d II e SSIATC. none. none. a II b AIATC.

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Lesson 2 - 5

Proving Lines Parallel. Lesson 2 - 5. Proving Lines Parallel - Postulates & Theorems. If two lines are cut by a transversal and corresponding angles are congruent , then the lines are parallel. Proving Lines Parallel - Postulates &Theorems.

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Lesson

Proving Lines Parallel. Lesson. Ways to Prove Two Lines Parallel. Show that corresponding angles are equal (Corresponding Angles Converse) Show that alternative interior angles are equal (Alternate Interior Angles Converse)

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