Answer:
1. always
2. sometimes
Step-by-step explanation:
Two lines are coplanar if they lie in the same plane or in parallel planes. There is ALWAYS a plane which contains two parallel lines (see first attached image for details).
Two lines that lie in parallel planes are sometimes parallel. For example, see at second image. Planes and are parallel. Consider pair of lines and - they are parallel, but if you consider the pair of lines and , you can see they are not parallel.
Answer:
Two lines or shapes that lie exactly on top of each other. Example: these two lines are coincident, only you can't see them both, because they are on top of each other.
Step-by-step explanation:
Answer:
ydyysyescdcvd dvvshdhdhxxbxbxhxhbxhhxxbhxhxbxbgbcbcbbchchchchchchchchhchchcbcbcbcbchcjcj
0.3(4+8)/-0.1+5/(9.2+13.2)= -35.7767857143
Answer:
0.1 seconds
Step-by-step explanation:
10/100=0.1