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4th Grade Math- Lines, rays, and angles terms
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What is a point?
An exact location in space
What is a line?
A straight path of points that continues in both directions
What is a line segment?
A part of a line that has two endpoints
What is a ray?
A part of a line with one endpoint and continues without end in one direction
What is a plane?
A flat surface of points that continues without end in all directions. It is named by at least three points
Lines that cross each other and form four angles are called what?
Intersecting Lines
Lines in the same plane that never intersect are called what?
Parallel lines
Lines that intersect to form four right angles are called what?
Perpendicular Lines
This angle measures 90 degrees and forms a square corner
Right Angle
This angles measures less than 90 degrees
Acute Angle
This angle measures greater than 90 degrees but less than 180 degrees
Obtuse Angle
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Author
fallslp
ID
7675
Card Set
4th Grade Math- Lines, rays, and angles terms
Description
Geometry Terms for 4th grade- 4th 6 weeks
Updated
2010-02-22T14:43:15Z
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