Math Vocab Flashcards

1
Q

Acute

A

An angle that has a measure more than 0 and less than 90 degrees

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2
Q

Adjacent angles

A

Two angles that share a common vertex and side , but have no common interior points

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3
Q

Angle

A

A set of points consisting of two different rays that have the same endpoint

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4
Q

Angle bisector

A

A ray that divides an angle into 2 angles that are congruent

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5
Q

Axiom

A

A rule that is accepted without proof

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6
Q

Between

A

When three points are collinear, one point is between the other 2

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7
Q

Collinear points

A

Points that lie on the same line

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8
Q

Complementary angles

A

Two angles who’s measures have a sum of 90

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9
Q

Congruent angles

A

2 angles that those the same measure

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10
Q

Congruent segments

A

Line segments that have the same length

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11
Q

Construction

A

A geometric drawing that uses a limited set of tools, usually a compass and straightedge

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12
Q

Coordinate

A

A real number that corresponds to a point on a line

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13
Q

Coplanar points

A

Points that lie on the same line

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14
Q

Defined terms

A

Terms that can be described using known words , such as point or line

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15
Q

Distance

A

The absolute value of the difference of two coordinates on a line

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16
Q

Endpoints

A

Points that represent the ends of a line segment or ray

17
Q

Exterior of an angle

A

The region that contains all the points outside of an angle

18
Q

Interior of am angle

A

The region that contains all the points between the sides on an angle

19
Q

Intersection

A

The set of points two or more geometric figures have in common

20
Q

Line

A

Has one demension

21
Q

Line segment

A

Consists of 2 endpoints and all the points between them

22
Q

Linear pair

A

To adjacent sent angles whose noncommon sides are opposite rays

23
Q

Measure of an angle

A

The absolute value of the difference between the real numbers match with the two raise the for the angle on he protractor

24
Q

Midpoint

A

The point that divides a segment into 2 congruent segments

25
Q

Obtuse angle

A

An angle that has a measure greater than 90 but less than 180 degrees

26
Q

Plane

A

A flat surface made up of points as to two demensions and extends without end and is represented by shave that looks like a floor or A wall

27
Q

Point

A

A location that is represented by a dot and had no demesion

28
Q

Postulate

A

A rule accepted without proof

29
Q

Right angle

A

An angle that has a measure of 90 degrees

30
Q

Segment

A

Consists of 2 end points and all the points between them

31
Q

Segment bisector

A

Intercepts the line at its midpoint

32
Q

Sides of an angle

A

The rays of an angle

33
Q

Straight angle

A

An angle that has a measure of 180’degrees

34
Q

Supplementary angles

A

Two angles who’s measures have a sum of 180 degrees

35
Q

Vertex if an angle

A

The common endpoints of th 2 rays that firm an angle

36
Q

Vertical angles

A

Two angles who’s sides form 2 pairs of opposite rays