Vocabulary: Unit 1A

Question 1

Point

Answer 1

A location in space. It has no length, width, height, or weight.

Question 2

Line

Answer 2

A line is created when there are two points. Lines extend forever in one dimension and has no weight, hight, or width but has infinite length.

Question 3

Plane

Answer 3

A two-dimensional surface made up of three or more points.

Question 4

Bisector

Answer 4

A line that divides a line or angle into two equivalent parts.

Question 5

Ray

Answer 5

A portion of a line that has one endpoint and extends forever in one direction.

Question 6

Postulate

Answer 6

A statement we presume to be true without any evidence.

Question 7

Theorem

Answer 7

A statement that can be proven true.

Question 8

Definition

Answer 8

A statement of the meaning of the word.

Question 9

Angle

Answer 9

Two rays that share an endpoint.

Question 10

Vertex

Answer 10

The endpoint of the two rays in an angle.

Question 11

Line Segment

Answer 11

A portion of a line that has two endpoints.

Question 12

Colinear

Answer 12

Points that lie on the same line.

Question 13

Non-Colinear

Answer 13

Points that DON’T lie on the same line.

Question 14

Coplanar

Answer 14

Points that lie on the same plane.

Question 15

Non-Coplanar

Answer 15

Points that DON’T lie on the same plane.