Geometry Basics

Consists of 2 endpoints and all the points in between.

• Ray
• Line
• Line Segment
• Angle

flat surface that has no thickness and extends forever.

• point

• line

• plane

• ray

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

• line

• segment

• ray

• vertex

A line that extends from a point in one direction and travels forever is called a _____.

• perpendicular line
• line segment
• ray
• parallel line

Two lines intersect at a _____.

• angle
• point
• line
• intersection

Name the image.

• Angle
• Line
• Line segment
• Ray

Points that lie on the same line are _________.

• coplanar
• collinear
• parallel
• perpendicular

A ray opposite Ray LM is...

• ray ML
• ray LP
• RAY PL
• Ray LQ

This means...

• length of AB
• line AB
• ray AB
• segment AB

• Line segment
• Ray
• Point
• Line Segment