Points, Lines, and Planes

Front

What is a point in geometry?

Back

An exact location in space with no length or width.

Front

What is a line in geometry?

Back

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

Front

What is a line segment?

Back

A part of a line that has two endpoints.

Front

What is a ray in geometry?

Back

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

Front

What does it mean for points to be coplanar?

Back

Points that lie on the same plane.

Front

How many planes can exist in a three-dimensional space?

Back

Infinitely many planes can exist in three-dimensional space.

Front

What is the difference between collinear and coplanar points?

Back

Collinear points lie on the same line, while coplanar points lie on the same plane.

Front

What is an angle?

Back

A figure formed by two rays with a common endpoint called the vertex.

Front

What is a line of intersection?

Back

The line where two planes meet.

Front

What is a perpendicular line?

Back

Two lines that intersect at a right angle (90 degrees).