Geometry Chapter 3 Review

#1 A CD B

#2 AB C D

#3 A B C D

#4 AB CD

#5 AB CD

#6 A B C D

#7 A B C D

#8 Two parallel lines are ____ coplanar. A. Always B. Sometimes C. Never

#9 Two skew lines are ____ coplanar. A. Always B. Sometimes C. Never

#10 Two perpendicular lines are ____ coplanar. A. Always B. Sometimes C. Never

#11 Two skew lines are ____ parallel. A. Always B. Sometimes C. Never

#12 Two intersecting lines are ____ parallel. A. Always B. Sometimes C. Never

#13 Two lines are ____ parallel. A. Always B. Sometimes C. Never

#14 Two planes are ____ parallel. A. Always B. Sometimes C. Never

#15 A.t || u B.q || r C.r || s D.q|| r||s

#16 A.a || b B.c || d C.a|| b||c||d D.None

#17 Is there enough information to prove line m parallel to line n? Yes

#18 Is there enough information to prove line m parallel to line n? No

#19 Is there enough information to prove the lines parallel? Yes