1.4: segments, rays, parallel lines & planes Flashcards
1
Q
Ray
A
part of a line that consists of one endpoint and all the points of the line on one side of the endpoint.
2
Q
Opposite Rays
A
two collinear rays with the same endpoint. always forms a line
3
Q
Parallel planes
A
planes that do not intersect.
4
Q
Segment
A
part of a line consisting of two endpoints and all points between them.
5
Q
Parallel lines
A
coplanar lines that never intersect
6
Q
Skew Lines
A
noncoplanar; are not parallel and don’t intersect
