Ch. 1 Foundations

Question 1

This names a location and has no size. It is represented by a dot.

Answer 1

Point

Question 2

This is a straight path that has no thickness and extends forever in two directions.

Answer 2

Line

Question 3

Answer 3

Point

Question 4

Answer 4

Line

Question 5

This is a flat surface that has no thickness and extends forever.

Answer 5

Plane

Question 6

Answer 6

Plane

Question 7

Points that lie on the same line are?

Answer 7

Collinear

Question 8

Points that do not lie on the same line are?

Answer 8

Noncollinear

Question 9

Points that lie on the same plane are?

Answer 9

Coplanar

Question 10

Points that do not lie on the same plane are?

Answer 10

Noncoplanar

Question 11

Are points T, U, and V Collinear or Noncollinear?

Answer 11

Collinear

Question 12

Are points T, U, and S Collinear or Noncollinear?

Answer 12

Noncollinear

Question 13

Are points T, U, and V Coplanar or Noncoplanar?

Answer 13

Coplanar

Question 14

Are points T, U, and S Coplanar or Noncoplanar?

Answer 14

Noncoplanar

Question 15

This is the part of a line consisting of two points and all points between them.

Answer 15

Segment or Line Segment

Question 16

This is a point at one end of a segment or the starting point of a ray.

Answer 16

Endpoint

Question 17

This is a part of a line that starts at an endpoint and extends forever in one direction.

Answer 17

Ray

Question 18

These are two rays that have a common endpoint and form a line.

Answer 18

Opposite Rays

Question 19

What is this an example of?

Answer 19

Segment or Line Segment

Question 20

What is point C an example of?

Answer 20

End Point

Question 21

What are the pictures an example of?

Answer 21

Rays

Question 22

Point E is a common endpoint. What is the picture an example of?

Answer 22

Opposite Rays

Question 23

This is a statement that is accepted as true without proof.

Answer 23

Postulate or Axiom