Shared Flashcard Set

Details

Unit 1-2
Vocab Terms
31
Mathematics
10th Grade
02/10/2013

Additional Mathematics Flashcards

 


 

Cards

Term
Point
Definition
A location.
Term
Line
Definition
An infinite set of points that extends in 2 directions.
Term
Plane
Definition
An infinite set of points that creates a flat surface that extends without ending.
Term
Space
Definition
The set of all points.
Term
Collinear Points
Definition
Points on the same line.
Term
Coplanar Points
Definition
Points in the same plane.
Term
Line Segment
Definition
Part of a line with two endpoints.
Term
Length
Definition
The distance between the two endpoints of a line segment.
Term
Ray
Definition
Part of a line with one endpoint and extending infinitely in the other direction.
Term
Opposite Rays
Definition
Rays with the same endpoint that extend in opposite directions.
Term
Congruent Segments
Definition

 

Two segments that have the same length.

 

Term
Midpoint Definition
Definition

A point that divides a segment into two congruent segments.

If Y is the midpoint of [image]  , then XY=XY.

 

Term
Segment Bisector Definition
Definition

 

 

[image]

Term
Segment Addition Postulate
Definition
If B is between A and C, then AB + BC = AC.
Term
Angle
Definition
A figure formed by two rays that have the same endpoint.
Term
Congruent Angles
Definition
2 angles with equal measures.
Term
Adjacent Angles
Definition
Coplanar angles with a common vertex and a common side  but no common interior points.
Term
Angle Addition Postulate
Definition

[image]

[image]

Term
Acute Angle
Definition
An angle whose measure is less than 90.
Term
Obtuse Angle
Definition
An angle whose measure is greater than 90 but less than 180.
Term
Counterexample
Definition
An example used to prove a statement false.
Term
Converse
Definition
Formed by interchanging the hypothesis (p) and conclusion (q) of a statement.
Term
Bi-Conditional
Definition
When a statement and its converse are both true, the words "if and only if" are used when combined into a _________.
Term
Complementary Angles
Definition
Two angles whose measures have the sum of 90.
Term
Supplementary Angles
Definition
Two angles whose measures have the sum of 180.
Term
Vertical Angles
Definition
Two angles such that the sides of one angle are opposite rays to the sides of the other angle.
Term
Distributive Property
Definition
3(x + 2y) = 3x + 6y
Term
Perpendicular
Definition
[image]
Term
Congruent
Definition
[image]
Term
Midpoint Theorem
Definition
If B is the midpoint of segment AC, then AB = 1/2 AC.
Term
Segment Bisector
Definition
A line, segment, ray, or plane that intersects a segment at its midpoint.
Supporting users have an ad free experience!