3.1 Lines and Planes Flashcards
0
Q
intersecting lines
A
intersecting lines are coplanar and have exactly one point in common
1
Q
parallel lines
A
two lines are parallel if they are do planar and do not intersect
2
Q
oblique lines
A
lines are oblique if they intersect and do not form a right angle
3
Q
perpendicular lines
A
intersect to form a right angle
4
Q
skew lines
A
two lines are skew if they do not lie in the same plane
5
Q
Transitive Property of Parallel Lines
A
if two lines are parallel to the same line, then they are parallel to each other
6
Q
Property of Perpendicular Lines
A
if two lines are perpendicular to the same line, then they are parallel to each other