Points, Lines, and Planes

How many planes contain point W?

• 3

• 2

• 4

• 1

A plane must have at lease _____ points and they must be _____.

• 2, collinear

• 3, collinear

• 3, noncollinear

• 2, noncollinear

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 coplaner points

• D, E, B

• C, B, A

• M, E, C

• A, F, E

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

True or False: Points A, B, and C are collinear.

• True

• False

Name four points

• A, B, C, D

• A, S, D, E

• B, T, E, A

• ABCD

Points that are not contained by one line are called ___________.

• coplanar

• collinear

• noncoplanar

• noncollinear