Points Lines and Planes Sometimes Always Never

Name three collinear points

• BCD

• ABC

• DEB

• EBA

Name a set of opposite rays

• Ray BC and Ray CD

• Ray ED and Ray DC

• Ray BA and Ray BE

• Ray AB and Ray EB

Where do lines 𝑄𝑅 and 𝑆𝑅 intersect?

• Plane PMN

• Plane TS

• Point R

• Line TQ

What geometric term could be represented a floor?

• point

• line

• plane

• arc

What geometric term could represent a laser beam?

• point

• a line

• a point

• an arc

How many planes are shown in the figure?

• 3

• 4

• 5

• 6

Name the pair of opposite rays with point N?

What two planes intersect at Line DA?

• Plane CQR

• Plane ABC

• Plane ABP

• Plane BCQ

• Plane ADR

Two points _________________ determine a line.

• always

• sometimes

• never

Why do three points SOMETIMES determine a plane?

• The three points have to be collinear to determine a plane.

• The three points have to be noncollinear to determine a plane.

• Sometimes? They ALWAYS determine a plane.