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Geometry > Chap. 1 Vocabulary > Flashcards

Chap. 1 Vocabulary Flashcards

1
Q

_____ angles are two angles whose measures have a sum of 90 degrees

A

complementary

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2
Q

_____ angles are two angles whose sides are opposite rays

A

vertical

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3
Q

_____ angles are two angles whose measures have a sum of 180 degrees

A

supplementary

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4
Q

If two segments have the same length, then the segments are _____ _____

A

congruent segments

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5
Q

Angles with the same measure are _____ angles.

A

congruent

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6
Q

A point, line, ray, or other segment that intersects a segment at its midpoint is called a _____ _____.

A

segment bisector

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7
Q

An _____ _____ is between 90 and 180 degrees.

A

obtuse angle

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8
Q

_____ _____ are two rays that share the smae ndpoint and form a line

A

opposite rays

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9
Q

Points and lines that lie in the same plane are _____.

A

coplanar

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10
Q

An _____ _____ is between 0 and 90 degrees.

A

acute angle

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11
Q

A _____ _____ is a pair of adjacent angles whose noncommon sides are opposite rays.

A

linear pair

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12
Q

A _____ indicates a location and has no size.

A

point

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13
Q

The real number tha corresponds to a point is called the _____ of the point.

A

coordinate

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14
Q

A _____ is a two-dimensional diagram that you can fold to form a three-dimensional figure.

A

net

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15
Q

A _____ is part of a line that consists of one endpoint and all the points of the line on one side of the endpoint.

A

ray

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16
Q

When you have two or more geometric figures, their _____ is the set of points the figures have in common.

A

intersection

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17
Q

The endpoint is the _____ of the angle.

A

vertex

18
Q

The _____ between points A and B is the absolute value of the difference of their coordinates.

A

distance

19
Q

Points that lie on the smae line are _____ _____.

A

collinear points

20
Q

A _____ is represented by a straight path that extends in two opposite directions without end and has no thickness, containing infinitely many points.

A

line

21
Q

An _____ is formed by two rays with the same endpoint.

A

angle

22
Q

A _____ is part of a line that consists of two endpoints and all points between them

A

segment

23
Q

The _____ of a segment is a point that divides the segment into two congruent segments.

A

midpoint

24
Q

A _____ _____ is equal to 180 degrees

A

straight angle

25
Q

An _____ _____ is another way to represent a three-dimensional figure, showing a top view, a front view, and a right-side view.

A

orthographic drawing

26
Q

_____ angles are two coplanar angles with a common side, a common vertex, and no common interior points.

A

adjacent

27
Q

A _____ _____ is equal to 90 degrees.

A

right angle

28
Q

A _____ is represented by a flat surface that extends without end and has no thickness, containing infinitely many lines.

A

plane

29
Q

_____ is the set of all points in three dimensions.

A

space

30
Q

An _____ _____ shows a corner view of a three-dimensional figure.

A

isometric drawing

31
Q

The rays are _____ of the angle.

A

sides

32
Q

A _____ or _____ is an accepted statement of fact.

A

axiom, postulate

33
Q

An _____ _____ is a ray that divides an angle into two congruent angles.

A

angle bisector

34
Q

A _____ _____ of a segment is a line, segment, or ray that is perpendicularto the segment at its midpoint.

A

perpendicular bisector

35
Q

The _____ of a polygon is the sum of the lengths of its sides

A

perimeter

36
Q

A _____ is a geometric tool used to draw circles and parts of circles called arcs.

A

compass

37
Q

A _____ is a geometric figure drawn using a straightedge and a compass.

A

construction

38
Q

The _____ of a polygon is the number of square units it encloses.

A

area

39
Q

____ _____ are two lines that intersect to form right angles.

A

perpendicular lines

40
Q

A _____ is a ruler with no markings on it.

A

straightedge

Geometry (13 decks)

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