Points,Lines,Planes,And Angles Flashcards

1
Q

What is a point

A

A location that has no size

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2
Q

What is a line

A

Series of points that extend two opposite directions infinitely

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3
Q

What is a plane

A

A flat surface that has no thickness, extends infinitely

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4
Q

What are coplanar points

A

Points and lines in the same plane

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5
Q

What is a collinear point

A

Points on the same line

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6
Q

What is a segment

A

A measurable part of a line that consists of two endpoints and all the points between them

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7
Q

What is a ray

A

A line from get has one endpoint and goes on forever in one direction

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8
Q

What is a circle

A

The locus of all points that are equidistant from a given point called the center

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9
Q

What is a radius

A

A segment connecting the center of a circle to any point of the circle

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10
Q

What is a angle

A

The union of two non-collinear rays with the same endpoint

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11
Q

What is a convex

A

An angle measure 180 degrees or less

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12
Q

What is a non convex angle

A

An angle more then 90 degrees but less then 360

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13
Q

What is an angle bisector

A

A ray that divides an angle into two equal angles

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14
Q

What is a linear pair

A

A pair of adjacent angles whose non common sides are opposite pairs

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15
Q

What is a degree

A

1/360 degrees of an angle

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16
Q

What is a zero angle

A

A ray that measures 180 degrees

17
Q

What is a midpoint

A

A point that is halfway between the end points

18
Q

What is a right angle

A

An angle that measures 90 degrees

19
Q

What is a perpendicular line

A

Two lines segments or rays intersect forming 90 degrees

20
Q

What is something being equidistant

A

A point has an equal distance from two or more things

21
Q

What are parallel lines

A

Lines that are the same distance apart but will never meet

22
Q

When 3 or more lines intersect in a single point they are

A

Concurrent

23
Q

The point of intersection for 3 perpendicular bisectors is called the

A

Circumcenter

24
Q

What are vertical angles

A

Angles that are opposite each other when two lines cross

25
Q

Are vertical angles congruent

A

Yes