Unit 1, sections 1 & 2

Give another name for line r.

• line s

• line ABC

• 
• 

Name three collinear points.

• A, B, C

• A, B, D

• B, D, C

• A, C, N

Name the intersection of lines r and s.

• B

• N

• D

• A

Give another name for plane N.

• plane ABD

• plane s

• plane ABC

• plane ABr

Name a point coplanar to point K.

• M

• L

• J

Name the intersection of plane R and line JL.

• K

• R

• M

• line KL

Name three non-collinear points.

• J, N, L

• J, K, L

• plane R

Give another name for line JK.

• line KN

• line R

• Line KL

• Line JN

If DF = 61 and EF = 18, find DE.

• 79

• 43

• 89

• 44

If DE = 19 and EF= 12, find DF.

• 31

• 7

• 24