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Geometry Terms
N/A
18
Mathematics
10th Grade
08/13/2008

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Term
Definition
Definition
is a statement that uses no words to describe unknown words.
Term

Undefined Words

 

Definition
Points,lines,and planes that are generally agreed on.
Term
Point
Definition

Has no dimension.

Represented by a small dot 

Term
Line
Definition
has one dimension(length), it's represented by a straight line with two arrowheads. It goes infinity in two directions.
Term
Plane
Definition
has two dimension, but represented by a shape that look like a tabletop or wall. A plane extends directions without end.
Term
Colinear Points
Definition
are points that share lines
Term
Coplanar
Definition
are points that share a plane.
Term
Line Segment
Definition
consist of two points called end points and all points on the line that lie between the end points.
Term

Ray

Definition
consist of a one end point and all points on a line that lie on the same side of the end point; intial point ray.
Term
Opposite Rays
Definition
Are two rays that have the same endpoint and extends to form a line.
Term

Intersecting

Definition
Two or more intersecting if they have 1 or more points in common.
Term
Postulate or Axiom
Definition
is a rule that is accepted without proof. We use postulates along with definitions to write and prove theorems
Term
Coordinates
Definition
The numberic values assigned to points.
Term
Distance
Definition
is the absolute value of the difference between two corrdinates. This is referred to as length.
Term
Distance Formulas
Definition
used to compute the distance between two points.
Term
Congruent
Definition
two or more segments who have the same length.
Term
Intersection of two figures
Definition
 is the set of points the figures have in common.
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