4th Grade Geometry-Point, Line, Parallel and Perpendicular

Front

What is an exact location in space called?

Back

Point

Front

What does a straight path that is endless in both directions represent?

Back

Line

Front

What is a straight angle?

Back

An angle that measures 180 degrees.

Front

What is an obtuse angle?

Back

An angle measuring between 90° and 180°.

Front

What is a line segment?

Back

A part of a line that has two endpoints.

Front

What is a ray?

Back

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

Front

What do we call two lines that never meet?

Back

Parallel lines.

Front

What do we call two lines that meet at a right angle?

Back

Perpendicular lines.

Front

What is the term for an angle measuring exactly 90 degrees?

Back

Right angle.

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.