1.4: segments rays parallel lines and planes Flashcards
1
Q
segment
A
part of the line consisting of two endpoints
2
Q
ray
A
part of the line consisting of one endpoint and all points of the line on one side of the endpoint
3
Q
opposite rays
A
two collinear rays with the same endpoint
4
Q
parallel lines
A
coplanar lines that don’t intersect
5
Q
skew lines
A
noncoplanar: they do not intersect but are not parallel
6
Q
parallel planes
A
planes that do not intersect
