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3.4 Parallel and Perpendicular lines

3.4 Parallel and Perpendicular lines. Thm : If two lines are parallel to the same line, then they are parallel to each other. Thm : In a plane, if two lines are perpendicular to the same line, then they are parallel to each other.

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3.4 Parallel and Perpendicular lines

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  1. 3.4 Parallel and Perpendicular lines

  2. Thm: If two lines are parallel to the same line, then they are parallel to each other.

  3. Thm: In a plane, if two lines are perpendicular to the same line, then they are parallel to each other.

  4. Thm: In a plane, if a line is perpendicular to one of two parallel lines, then it is also perpendicular to the other.

  5. Do Standardized test prep handout

  6. Hwk: p167, #6, 11-16

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