The Building Blocks of Geometry

A position in space, often represented by a dot.

• Line

• Plane

• Point

• Line Segment

Name 3 collinear points.

• Points A, B, E

• Points C, B, A

• Points D, B, A

• Points C, B, D

Two rays that share an endpoint and extend in opposite directions to form a line.

• Double Rays

• Rays

• Ray of Sunshine

• Opposite Rays

A point that bisects a line segment.

• Midpoint

• Point of Intersection

• Parallel Lines

• Perpendicular Lines

Given another name for Line k

• Line BD

• Line BC

• Line BEC

• There is no other name for Line k.

Something that relates to or resembles a line.

• Linear

• Line

• Line Segment

• Ray

Name the image.

• Point

• Line Segment

• Line

• Ray

A finite portion of a line that has two endpoints.

• Line

• Ray

• Line Segment

• Point

Name the point of intersection of Line i and Line h.

• A

• C

• D

• K

Three or more points that lie in the same plane.

• Collinear Points

• Point of Intersection

• Plane

• Coplanar Points