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Geometry > Geometry Ch. 1 Vocab > Flashcards

Geometry Ch. 1 Vocab Flashcards

0
Q

A location

A

Point

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1
Q

Only explained using examples and descriptions

A

Undefined

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2
Q

Made up of points and has no thickness or width

A

Line

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3
Q

A flat surface made up of points that extends indefinitely in all directions

A

Plane

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4
Q

Points that lie on the same line

A

Collinear

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5
Q

Points that lie in the same plane

A

Coplanar

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6
Q

explained using undefined terms and/or other defined terms

A

Definitions or define terms

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7
Q

A boundless, three dimensional set of all point

A

Space

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8
Q

Can be measured because it has two end points

A

Line segment

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9
Q

For any two points A and B on a line, there is another point C between A and B if and only if A, B, and C are collinear and AC+ CB= AB

A

Between

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10
Q

Segments that have the same measure

A

Congruent segments

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11
Q

Methods Of creating these figures without the benefit of measuring tools

A

Constructions

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12
Q

The length of the segment between two points as it’s endpoints

A

Distance

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13
Q

A number that cannot be expressed as a terminating or repeating decimal

A

Irrational number

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14
Q

The point halfway between the endpoints of the segment

A

Midpoints

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15
Q

Any segment, line, or plane that intersects a segment at its midpoint

A

Segment bisector

16
Q

A point that determines exactly to rays

A

Opposite rays

17
Q

A part of a line

A

Ray

18
Q

A Ray that divides an angle into two congruent angles

A

Angle bisector

19
Q

Two angles that lie in the same plane and have a common vertex and a common side, but no common interior points

A

Adjacent angles

20
Q

A pair of adjacent angles with noncommon sides are opposite rays

A

Linear Pair

21
Q

Two nonadjacent angles formed by two intersecting lines

A

Vertical angles

22
Q

Two angles with measures that have a sum of 90°

A

Complementary angles

23
Q

Two angles with measures that have a sum of 180°

A

Supplementary angles

24
Q

Lines, segments, or rays that form right angles

A

Perpendicular

25
Q

A closed figure formed by a finite number of coplanar segments called sides

A

Polygon

26
Q

If any of the lines contain any point in the interior of the polygon then it is…

A

Concave

27
Q

A polygon in which all sides are congruent

A

An equilateral polygon

28
Q

A polygon in which all angles are congruent

A

Equiangular polygon

29
Q

A convex polygon that is both equilateral in equiangular

A

Regular polygon

30
Q

A solid with flat surfaces that enclose a single region of space

A

polyhedron

31
Q

All of its faces are regular congruent polygons and all of the edges are congruent

A

Regular polyhedron

Geometry (1 decks)

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