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Identify parallel, perpendicular, and skew lines.

Objectives. Identify parallel, perpendicular, and skew lines. Identify the angles formed by two lines and a transversal. Example 1: Identifying Types of Lines and Planes. Identify each of the following. A. a pair of parallel segments. B. a pair of skew segments.

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Identify parallel, perpendicular, and skew lines.

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  1. Objectives Identify parallel, perpendicular, and skew lines. Identify the angles formed by two lines and a transversal.

  2. Example 1: Identifying Types of Lines and Planes Identify each of the following. A. a pair of parallel segments B. a pair of skew segments C. a pair of perpendicular segments D. a pair of parallel planes

  3. Check It Out! Example 1 Identify each of the following. a. a pair of parallel segments b. a pair of skew segments c. a pair of perpendicular segments d. a pair of parallel planes

  4. Example 2: Classifying Pairs of Angles Give an example of each angle pair. A. corresponding angles B. alternate interior angles C. alternate exterior angles D. same-side interior angles

  5. Check It Out! Example 2 Give an example of each angle pair. A. corresponding angles B. alternate interior angles C. alternate exterior angles D. same-side interior angles

  6. Example 3: Identifying Angle Pairs and Transversals Identify the transversal and classify each angle pair. A. 1 and 3 B. 2 and 6 C. 4 and 6

  7. Check It Out! Example 3 Identify the transversal and classify the angle pair 2 and 5 in the diagram.

  8. Lesson Quiz: Part I Identify each of the following. 1. a pair of parallel segments 2. a pair of skew segments 3. a pair of perpendicular segments 4. a pair of parallel planes

  9. Lesson Quiz: Part II Identify each of the following. 5. one pairalternate interior angles 6. One pair corresponding angles 7. one pairalternate exterior angles 8. one pairsame-side interior angles

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