Lines, Line Segments, Rays Informal Geometry

Front

What is a line?

Back

A straight path that extends infinitely in both directions.

Front

What is a line segment?

Back

A part of a line that has two endpoints.

Front

What is a ray?

Back

Part of a line with 1 endpoint that goes on forever in one direction.

Front

What is a point?

Back

An exact location in space with no size or dimension.

Front

How many endpoints does a line segment have?

Back

Two endpoints.

Front

How many endpoints does a ray have?

Back

One endpoint.

Front

What is the difference between a line and a line segment?

Back

A line extends infinitely in both directions, while a line segment has two endpoints.

Front

What does it mean for a ray to go on forever?

Back

It means that the ray continues indefinitely in one direction without ending.

Front

Can a point be seen?

Back

No, a point is an abstract concept representing a location.

Front

What is an angle?

Back

An angle is formed by two rays that share a common endpoint.