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Geometry Set 1
Geometry Set 1
17
Mathematics
5th Grade
03/26/2008

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Cards

Term

Point

Definition

An exact location in space represented by a dot

Term
Line
Definition

Set of points that extends endlessly in opposite directions

Term
Ray
Definition
Part of a line that starts at an endpoint and goes on without end in one direction
Term
Endpoints
Definition
The point at either end of a line segment. The beginning point of a ray.
Term
Midpoint
Definition
The point that divides the segment into two congruent parts.
Term
Segment
Definition
A part of a line that has two endpoints.
Term

Skew

Definition

To turn aside or swerve; take an oblique course.

Term

Equal

Definition
Having the same value
Term
Collinear Points
Definition

Points lying on the same straight line

Term
Angle
Definition
Two rays with a common endpoint.
Term
Vertex
Definition
A point common to two sides of an angle, polygon, or solid figure
Term

Acute

Definition
An angle with a measurement less than that of a right angle
Term
Congruent
Definition

Figures that have the same size and shape and have the same measure.

Term

Right Angle

Definition
An angle that measures 90 degrees
Term
Obtuse Angle
Definition
An angle with a measure greater than that of a right angle and less than 180 degrees.
Term
Coplanar
Definition
Points that all lie in the same geometric plane.
Term
Geometry
Definition
The mathematics of the properties, measurements and relationships of points, lines and angles.
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