RIO CFA Lines, Points, Rays, Line Segments

Front

What is a line?

Back

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

Front

What is a ray?

Back

A ray is part of a line that has one endpoint and extends infinitely in one direction.

Front

What is a line segment?

Back

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

Front

What is a point?

Back

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

Front

What symbol represents a line?

Back

Front

What symbol represents a ray?

Back

Front

What symbol represents a line segment?

Back

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Front

How do you identify a ray in a diagram?

Back

A ray starts at a point and has an arrow indicating it goes on infinitely in one direction.

Front

How do you identify a line segment in a diagram?

Back

A line segment is shown as a straight line with two endpoints.