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Quarter I
Topic II A Vocabulary Basic Terminology
10
Mathematics
8th Grade
08/14/2012

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Cards

Term

Point

[image]

Definition
- A zero-dimensional figure; while usually left undefined, has four main representions - the dot, the node, the location, and the ordered pair of numbers
Term

Line

[image]

Definition
- A two-dimensional object that has no endpoints and continues on forever in a plane; formed of infinite points; the 3 orientations that lines may have are horizontal, vertical, oblique, and skew lines; written [image]
Term

Plane

[image]

Definition
- A two-dimensional group of points that goes on infinitely in all directions; made up of infinite lines
Term

Colinear

[image]

Definition
- In the same line
Term

Coplanar

[image]

Definition
- With the same plane
Term

Space

 

Definition

- The set of all possible points; made up of infinite planes.

The region in which objects exist.

Term

Ray

[image]

Definition
- A line with star point but not end point
Term

Segment

[image]

Definition
- Aka line segment; the set of points consisting of two distinct points and all inbetween them; written [image]
Term

Congruent

[image]

Definition

- Equilateral, equal, exactly the same (size, shape, etc.)

- The same shape and size.
- Two shapes are congruent if you can Turn, Flip and/or Slide one so it fits exactly on the other.

Term

Midpoint

[image]

Definition
- The point M of [image] where AM = AB
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