Geometry Vocabulary

Part of a line that begins at one endpoint and continues without end in one direction.

• Ray

• Line

• Degree

• Point

Lines that lie in the same plane, never intersect, and are always the same distance apart.

• Intersecting Lines

• Parallel Lines

• Perpendicular Lines

• Rays

Lines that meet or cross at a point.

• Intersecting Lines

• Parallel Lines

• Perpendicular Lines

• Rays

Lines that intersect at right angles to each other to form

square corners.

• Intersecting Lines

• Parallel Lines

• Perpendicular Lines

• Rays

A point is a single dot.

• True

• False

A line segment is a straight row of points that start at one point and ends at another point.

• True

• False

A line is a straight row of points that goes on forever in both directions.

• True

• False

Parallel lines are two lines that are always the same distant apart and will never meet.

• True

• False

Perpendicular lines are two lines that cross at a 90 degree angle.

• True

• False

What is this figure called?

• line

• line segment

• ray

• angle