Geometry Vocabulary

What is an exact location in space called?

• Line

• Point

• Ray

• Angle

What is a straight path of points that continues without end in both directions?

• Line segment

• Ray

• Line

• Angle

What is part of a line between two endpoints called?

• Ray

• Line

• Point

• Line segment

What is a part of a line that has one endpoint and continues without end in one direction?

• Line

• Ray

• Angle

• Line segment

What is formed by two rays or line segments that have the same endpoint?

• Line

• Point

• Angle

• Ray

What is an angle that measures 90 degrees and forms a square corner called?

• Acute angle

• Obtuse angle

• Right angle

• Straight angle

What is a straight angle?

• An angle that measures less than 90 degrees

• An angle that measures exactly 90 degrees

• An angle that forms a line; 180 degrees

• An angle that measures more than 180 degrees

What is an acute angle?

• An angle that measures more than 90 degrees

• An angle that measures less than 90 degrees

• An angle that measures exactly 180 degrees

• An angle that measures more than 180 degrees

What is an obtuse angle?

• An angle that measures exactly 90 degrees

• An angle that measures less than 90 degrees

• An angle that measures more than 90 degrees but less than 180 degrees

• An angle that measures exactly 180 degrees

What is a vertex in geometry?

• The longest side of a triangle

• The shared endpoint in an angle

• The center of a circle

• The midpoint of a line segment