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Lines, Line Segments, Rays and Angles

Lines, Line Segments, Rays and Angles. A line is a straight path that goes on forever in both directions. What is a Line?. A line segment is part of a line that has two endpoints. What is a line segment?. A ray is a part of a line that has one endpoint and goes on forever in one direction.

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Lines, Line Segments, Rays and Angles

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  1. Lines, Line Segments, Rays and Angles

  2. A line is a straight path that goes on forever in both directions. What is a Line?

  3. . . A line segment is part of a line that has two endpoints. What is a line segment?

  4. A ray is a part of a line that has one endpoint and goes on forever in one direction. What is a ray?

  5. What are parallel lines? • Parallel lines are lines that never intersect.

  6. What is a vertex? • A vertex is the point at which two lines or rays meet to form an angle. • More than one vertex are called vertices.

  7. Lines that cross at any point are intersecting lines. What are intersecting lines?

  8. Two lines that cross to form a right angle are intersecting lines. What are perpendicular lines?

  9. A right angle is an angle that measures 90 degrees and forms a square. What is a right angle?

  10. An angle that measures less than 90 degrees. “A cute little angle” What is an acute angle?

  11. An obtuse angle is an angle that measures more than 90 degrees. What is an obtuse angle?

  12. 1. 2. 3. 4. 5. PracticeName each figure

  13. 1. 2. 3. Intersecting or Perpendicular?

  14. 1. 2. 3 4. Obtuse or Acute?

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