Points, Lines, and Planes

A line is named by...

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

Two lines intersect at a ....

• angle
• point
• line
• intersection

Two planes intersect at a...

• line
• point
• plane
• letter

Name 4 collinear points

• HMNO
• IKNO
• MJOL
• HNKI

A line that contains point M.

• Line q
• Line p
• Line r
• Line NH

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.

A plane containing point A.

• Plane DEA
• Plane k
• Plane CDF
• Plane F

Name 3 coplanar points.

• ZRW

• VZX

• VWX

• WYZ