Basics of Geometry and Terms

Has no dimension and is represented by a dot 

• Point
• Plane
• Line
• Line segment

Points that lie on the same line

• Coplanar points
• Noncollinear points
• Collinear points
• Noncoplanar points

Points that lie in the same plane

• Coplanar points
• Collinear points
• Noncollinear points
• Noncoplana points

one dimensional and extends without end in two directions

• Plane
• Line
• Line segment
• Ray

A set of points that all lie on the same line are 

• collinear
• coplanar
• ray
• segment

An example of 2 non-collinear points.

• D, E
• C, B
• M, E
• F, B

Give another name for line k.

• Line BC
• Line BCE
• Line ED
• Line k is the only name, there isn't another name.

How would you describe points I, L, C?

• collinear

• non-coplanar

• symmetric

• coplanar points

Infinite

• ceases

• stops

• ends

• never-ending

Parallel

• lines that intersect

• lines that never cross or touch.

• lines that form a 90 degree angle

• angles that add to 180 degrees