Vocab #20

A location on a line, in a plane, or in space.

• Point

• Line

• Line Segment

• Ray

A straight path of points extending in both directions with no endpoints.

• Point

• Line

• Line Segment

• Ray

Part of a line with two endpoints.

• Point

• Line

• Line Segment

• Ray

A line with a start point but no endpoint.

• Point

• Line

• Line Segment

• Ray

Two lines that are always the same distance apart; they do not intersect or cross.

• Parallel Lines

• Intersecting Lines

• Perpendicular Lines

• Angle

Lines that cross at a point.

• Parallel Lines

• Intersecting Lines

• Perpendicular Lines

• Angle

Two lines that intersect to form right angles.

• Parallel Lines

• Intersecting Lines

• Perpendicular Lines

• Angle

The space between two intersecting lines, usually measured in degrees.

• Parallel Lines

• Intersecting Lines

• Perpendicular Lines

• Angle

 An angle that measures less than 90 degrees.

• Acute Angle

• Right Angle

• Obtuse Angle

• Straight Angle

An angle that measures exactly 90 degrees.

• Acute Angle

• Right Angle

• Obtuse Angle

• Straight Angle