Planes and Parallel Planes

A _______ forms a flat surface extending indefinitely in all directions.

• Point

• Line

• Plane

A plane is named by...

• Any 1 point on the plane.

• Any 2 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.

This picture shows _____ (lines/line segments/rays)

that are _____ (parallel/perpendicular

• line segments

• angles

• lines

• parallel

• perpendicular

A plane containing point A.

• Plane DEA

• Plane k

• Plane CDF

• Plane F

Which is NOT a possible name for the plane containing lines n and p?

• plane ADC

• plane G

• plane ABe

• Plane ABC

Name the plane.

• Plane DEA

• Plane j

• Plane CDF

• Plane F

Give another name for Plane M

• Plane DEA

• Plane k

• Plane CDF

• Plane FED

When naming a plane, we should use ________

• 2 points
• a lower case cursive letter
• 3 points
• 3 noncollinear points

Points that lie on the same plane are ________.

• collinear

• coplanar

• parallel

• perpendicular

Are points D and E collinear or coplanar?

• Collinear

• Coplanar

• Both

• Neither