Unit 1 Vocabulary

Lines that intersect at right angles.

• Line Segment

• Ray

• Parallel

• Perpendicular

Lines that cross over each other at a certain point.

• Line

• Intersecting

• Right Angle

• Polygon

Lines that never intersect

• Parallel

• Besector

• Line Segment

• Perpendicular

A location on a flat surface.

• Ray

• Plane

• Polygon

• Point

A straight path that goes on forever in two directions.

• Plane

• Ray

• Line

• Line Segment

A part of a line with two endpoints.

• Line

• Line Segment

• Ray

• Point

A straight path that begins at a point and goes on forever in only one direction.

• Line

• Plane

• Ray

• Line Segment

A ray has

• one endpoint

• no endpoints

• two endpoints

• hundreds of endpoints

Two streets that cross over each other are

• Parallel Streets

• Points Streets

• Symmetrical Streets

• Intersecting Streets

Select parallel or not parallel.

• Parallel

• Not Parallel