'Angles postulate' diaporamas de présentation

Geometry 3.3

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Define Parallel Lines

Define Parallel Lines . Coplanar lines that do not intersect. Define Skew Lines. Lines that do not intersect and are not coplanar. What angles are marked?. Corresponding Angles. What angles are marked?. Alternate Interior Angles. What angles are marked?. Consecutive Interior Angles.

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Learning Target #17

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3-3

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3-4

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3-3

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Alternate Interior Angles High School Geometry Aligned to Common Core State Standards

Alternate Interior Angles High School Geometry Aligned to Common Core State Standards. Teacher Notes.

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Geometry Notes

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Quiz tomorrow on 3-1 and 3-2

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Section 3.2: Proving Lines Parallel

Section 3.2: Proving Lines Parallel. Objectives: Use a transversal to prove lines are parallel Relate parallel and perpendicular lines. What is the converse of this statement?. If a transversal intersects 2 parallel lines, then corresponding angles are congruent. Postulate 3-2.

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Focus

Focus. p. 145-147 #12-36(even). 12. DE, PQ, ST 14. BC, EF, QR 16. ABC, AFW, BCR, CDS, EFW, PQR 18. FA, WP, SR 20. a and b, a and r, b and r 22. a and b, a and r, b and r 24. Corresponding 26. Alternate Interior 28. Alternate Exterior 30. Consecutive Interior

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Bell Ringer #

Bell Ringer #. 3-2 Proving Lines Parallel. Postulate 3-2 Converse of the Corresponding Angles Postulate. If two lines and a transversal form corresponding angles that are congruent, then the two lines are parallel. 1. m ? n. m. 2. n. Theorems.

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Drill: Monday, 11/7 Identify each angle pair. 1. ?1 and ?3 2. ?3 and ?6 3. ?4 and ?5 4. ?6 and ?7

Drill: Monday, 11/7 Identify each angle pair. 1. ?1 and ?3 2. ?3 and ?6 3. ?4 and ?5 4. ?6 and ?7 OBJ: Prove theorems about the angles formed by parallel lines and a transversal. Angles Formed by Parallel Lines and Transversals. 3-2. Warm Up. Lesson Presentation. Lesson Quiz.

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Parallel lines and transversals

Parallel lines and transversals. Corresponding Angles postulate. Two lines cut by a transversal are parallel if and only if the pairs of corresponding angles are congruent. Alternate Interior Angles Theorem.

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Use the angles formed by a transversal to prove two lines are parallel.

Objective. Use the angles formed by a transversal to prove two lines are parallel. Post. If corres.<s ? lines ||. Example 1: Using the Converse of the Corresponding Angles Postulate.

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Geometry with McCarthy

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3.2 Properties of Parallel Lines

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Geometry Section 3.2

Geometry Section 3.2 . Use Parallel Lines and Transversals. Corresponding Angles Postulate. If two parallel lines are cut by a transversal, then the pairs of corresponding angles are congruent. 1. 2. Alternate Interior Angles Theorem.

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EXAMPLE 1

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