Shared Flashcard Set

Details

Chapter 1 and 2
Key Terms
27
Mathematics
10th Grade
10/04/2010

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Cards

Term
Undefined Terms
Definition
Point, Line, and Plane
Term
Point
Definition
Simply a location
Term
line
Definition
Made upof points and has no thickness or width.
Term
Collinear
Definition
Points on the same line
Term
Plane
Definition
A flat surface made upof points
Term
Coplanar
Definition
Points that lie on the same plane
Term
Space
Definition
Boundless, three-dimensial set of all points
Term
Locus
Definition
A set of points that staisfy a particular condition
Term
Line Segment
Definition
Can be measured because it has two endoints
Term
Precision
Definition
The precision of any measurement depends on the smallest unit available on the measuring tool
Term
Betweeness of points
Definition
For any 2 points A and B  on a line, there is another point C between A nad B if and only if A, B and C are collinear and AC+CB=AB
Term
Between
Definition
The same as between of points
Term
Constructions
Definition
Methods of creating geometric figures without the benefit of measuring tools
Term
Absolute error
Definition
The absolute value of the difference between the actual measure of an object and the allowable measure
Term
Relative Errors
Definition
The ratio of the absolute error to the actual measure
Term
Significant Angles
Definition
Represents accuracy of a measurement
Term
Midpoint
Definition
the point on a segment that divides the degment into two congruent segments
Term
Segement Bisector
Definition
Any segmetn, line or plane that intersects a segmetn at its midpoint
Term
Degree
Definition
Three Hundred and Sixty units around the circle
Term
ray
Definition
Part of a line
Term
Opposite Rays
Definition
If you choose a point on a line, that point determines exactly two rays
Term
Angle
Definition
Formed by two noncollinear rays that have a common endpoint
Term
Sides
Definition
Rays sides are called sides of the angle
Term
Vertex
Definition
The common endpoint
Term

Interior

Definition

A point is in the interior of an angle if it does not lie on the angle itself and it lies on a segment with endpoints that are on the sides of the angle

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