1.1 Points, Lines, & Planes

Front

What is a point in geometry?

Back

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

Front

Define a line in geometry.

Back

A line is a straight one-dimensional figure that extends infinitely in both directions and has no endpoints.

Front

What is a line segment?

Back

A line segment is a part of a line that is bounded by two distinct endpoints.

Front

What is a ray in geometry?

Back

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

Front

How is a line named?

Back

A line can be named by any two points on the line or by a lowercase script letter.

Front

What does a plane represent in geometry?

Back

A plane is a flat two-dimensional surface that extends infinitely in all directions.

Front

What are coplanar points?

Back

Coplanar points are points that lie on the same plane.

Front

True or False: A line segment has a definite length.

Back

True.

Front

True or False: A point has dimensions.

Back

False.

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.