Points Lines and Planes Sometimes Always Never

Two planes intersect.

• Always

• Sometimes

• Never

Points H, E, D, and A are coplanar

• True

• False

Coplanar means...

• on the same plane

• on the same line

• not on the same plane

• not on the same line

A line is named by...

• Any 2 points on the line, or a lowercase script letter.

• Any 3 points on the line.

• Any 1 point on the line.

• Any 3 points on the line, or a uppercase script letter.

A plane is named by...

• Any 1 point on the plane.

• Any 3 collinear points on the plane or a lowercase script letter.

• Any 3 non-collinear points on the plane or an uppercase script letter.

• All points on the plane that aren't part of a line.

Name 4 collinear points

• HMNO

• IKNO

• MJOL

• HNKI

Give another name for line k.

• Line BC

• Line BCE

• Line ED

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

What is the term for a part of a line with two endpoints?

• point

• ray

• angle

• line segment

What is the name of this ray?

• Ray AB

• Ray BA

• Ray ABC

• Ray AC

Name a line that is not contained in plane N.

• Line CB

• Line AE

• Line CD

• Line DB