4th Grade Math- Lines, rays, and angles terms

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

Author

fallslp

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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