Basics of Geometry

Front

What is a ray in geometry?

Back

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

Front

What does it mean for points to be coplanar?

Back

Points that lie on the same plane.

Front

What is a line segment?

Back

A part of a line that has two endpoints and includes all points in between.

Front

What is another name for line k if it passes through points B and C?

Back

Line BC.

Front

What is a point in geometry?

Back

An exact location in space with no length or width.

Front

Define a line in geometry.

Back

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

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 points to be collinear?

Back

Points that lie on the same straight line.

Front

What is a plane in geometry?

Back

A flat, two-dimensional surface that extends infinitely in all directions.

Front

What is an angle?

Back

Formed by two rays that share a common endpoint, called the vertex.