# Lines and Angles

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Category: Education

## Presentation Description

Basics vocabulary of lines and angles

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## Presentation Transcript

### Slide 1:

By Julia Nordstrom Santa Paula CA Barbara Webster Elementary School Lines and Angles

### Slide 2:

Points An exact position or location

### Slide 3:

Lines and Rays RAY: A part of a line, with one endpoint, that continues without end in one direction LINE: A straight path extending in both directions with no endpoints LINE SEGMENT: A part of a line that includes two points, called endpoints, and all the points between them

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More about Lines INTERSECTING LINES: Lines that cross PARALLEL LINES: Lines that never cross and are always the same distance apart

### Perpendicular Lines :

Perpendicular Lines Two lines that intersect to form four right angles

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What is it? Ray Line Intersecting Lines Parallel Lines Line Segment

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Angles The figure formed when two rays share the same endpoint Right Angle: An angle that forms a square corner Acute Angle: An angle less than a right angle Obtuse Angle: An angle greater than a right angle

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Right Angle or Not? Right Angle Right Angle Not! Not! Not! Not!

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Right, Acute or Obtuse? Right Angle Right Angle Obtuse Greater Acute Less Acute Less Obtuse Greater

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Biblilography Harcourt Math Multimedia Glossary