CP CFA #1 Vocabulary

It takes _________ to determine a line and __________ points to form a plane.

• 3 collinear points, 3 collinear points

• 3 non-collinear points, at least 2 points

• 2 distinct points, 3 non-collinear points

• 2 distinct points, at least 4 points

A part of a line between two points on the line.

• point

• line segment

• ray

• vertex

Two planes intersect to form a ___________.

• plane

• line

• point

• ray

Two points are collinear.

• Always

• Sometimes

• Never

Three points are collinear.

• Always

• Sometimes

• Never

Two distinct lines that intersect will intersect at a single point.

• Always

• Sometimes

• Never

Which points are coplanar to Points A and H in Plane W?

(Select all that apply).

• Point N

• Point L

• Point D

• W

Which of the following points is coplanar with L and H, but not on plane W ?

• Point N

• Point A

• Point D

• Point L

Which of the following is the intersection of plane W and plane DHL?

• Line segment LH

• Line segment NL

• Point H

• Point L

Which of the following is the intersection of plane DAH and plane DHL ?

• Point D

• Line segment DL

• Plane W

• Line segment DH