Geometry Vocabulary Unit 7

An exact location in space

• Point

• Line

• Line Segment

• Ray

A straight path that goes on and on in two directions

• Line Segment

• Point

• Line

• Ray

A part of a line that has two endpoints

• point

• line segment

• line

• ray

Part of a line that has one endpoint and continues endlessly in one direction

• point

• line

• line segment

• ray

In a plane, lines that never intersect

• ray

• Parallel lines

• line segment

• perpendicular lines

Two intersecting lines that form right angles

• Right Angle

• Angle

• Parallel Lines

• Perpendicular lines

The space between 2 intersecting lines. The point where they meet is called a Vertex

• Angle

• Right Angle

• line segment

• point

An angle that measures 90 degrees

• Perpendicular lines

• Right Angle

• Acute Angle

• Obtuse Angle

An angle that is less than a right angle

• Ray

• Obtuse Angle

• Right Angle

• Acute Angle

An angle that is greater than a right angle. (more than 90 degrees)

• Acute Angle

• Obtuse Angle

• Right Angle

• Perpendicular Lines