4th grade geometry vocab.

Front

What is a point?

Back

An exact location.

Front

What is a ray?

Back

A part of a line that starts with an endpoint and goes on forever in the opposite direction.

Front

What is a line segment?

Back

A part of a line between two endpoints.

Front

What does this image show? (Image of a dot)

Back

Point.

Front

What is a line?

Back

A straight path that goes on forever in both directions.

Front

What is an angle?

Back

A figure formed by two rays with a common endpoint.

Front

What is a plane?

Back

An endless flat surface.

Front

What is a polygon?

Back

A closed figure made up of straight line segments.

Front

What is a triangle?

Back

A polygon with three sides.

Front

What is a rectangle?

Back

A polygon with four sides and four right angles.