Topic 1 Vocabulary Quiz

Points that lie on the same line

• collinear points

• coplanar points

• line

• ray

premise; postulate; self-evident truth

• theorem

• axiom

• definition

• conjecture

Part of a line denoted by a beginning point and an endpoint.

• ray

• segment

• plane

• angle

A statement that is accepted as true without proof.

• conjecture

• theorem

• postulate

• idea

A flat surface that extends forever.

• line

• point

• space

• plane

The three undefined terms in geometry are:

• point

• line

• plane

• ray

• segment

Where two planes meet_______________.

• point

• line

• plane

• ray

The number of points it takes to define a plane ______.

• 1

• 2

• 3

• 4

• 5

A point that divides a segment into two congruent segments

• half point

• midpoint

• ray

• line

A line, ray, or segment that divides a segment into two congruent segments

• coordinate

• ray

• segment bisector

• intersection