FLASHCARD- Points-Lines-Line Segments-Rays

Front

What is a point?

Back

A point is a specific location in space that has no size or dimension.

Front

What is a line?

Back

A line is a straight path that extends infinitely in both directions with no endpoints.

Front

What is a line segment?

Back

A line segment is a part of a line that has two endpoints.

Front

What is a ray?

Back

A ray is a part of a line that starts at one point and extends infinitely in one direction.

Front

How many points are needed to define a line segment?

Back

Two points are needed to define a line segment.

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 is the symbol for a point?

Back

A point is usually represented by a dot and labeled with a capital letter.

Front

Can a line segment be measured?

Back

Yes, a line segment has a definite length and can be measured.

Front

What do we call the endpoints of a line segment?

Back

The endpoints of a line segment are the two points that define it.

Front

What is an example of a ray in real life?

Back

A ray can be seen in sunlight streaming through a window.