Parallel,Perpendicular,Skew Lines

Front

Two coplanar lines that intersect at a 90^o angle are ___.

Back

perpendicular lines

Front

Two lines that do not intersect and are not in the same plane are called __________.

Back

skew

Front

Two lines in the same plane that never intersect are called __________ lines.

Back

parallel

Front

Are lines j and k skew?

Back

yes

Front

Lines DE, AB, and GC appear to be _________

Back

parallel

Front

Name a line parallel to AD: EH, AB, DC, HG

Back

EH

Front

Name a line skew to FG: EH, DC, AD, FB

Back

DC

Front

Name a line perpendicular to AD: EH, AB, CG, HG

Back

AB

Front

Name a line parallel to FG: EF, DC, AD, FB

Back

AD

Front

Name a line skew to AB: EH, DC, AE, HG

Back

EH