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Parallel and Perpendicular Lines

Parallel and Perpendicular Lines. Vocabulary. right angle an angle that measures exactly 90° perpendicular lines lines that intersect and form angles that measure 90° parallel lines lines in the same flat surface that never intersect intersecting lines lines that cross at one point.

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Parallel and Perpendicular Lines

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  1. Parallel andPerpendicular Lines

  2. Vocabulary right angle an angle that measures exactly 90° perpendicular lines lines that intersect and form angles that measure 90° parallel lines lines in the same flat surface that never intersect intersecting lines lines that cross at one point

  3. Examples of Lines Parallel lines are always in the same plane, or two-dimensional space . Parallel lines are always the same distance apart. Intersecting lines cross each other. They can intersect, or cross, at one point or at all points.

  4. Real Life Examples

  5. More Vocabulary Compass- a tool used to draw circles and to measure in constructions

  6. How To Video Clip • http://static.k12.com/packages3/11/8458/9000504/1_3154/8458/5a339ee141c196d90f23b597b018414ee675b0c8/mediaasset_156812_1.html

  7. Questions • What are perpendicular lines? 2. Give one example of perpendicular lines that you see around you every day.

  8. Questions 3. What are intersecting lines? 4. Give one example of intersecting lines that you see around you every day.

  9. Questions 5. What are parallel lines? 6. Give one example of parallel lines that you see around you every day.

  10. What Kind of Line?

  11. What Kind of Line?

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