a compass
Points do not extend, lines do.
No. Pencil's like a ray. It extends only In One direction
No, a ray extends infinately in one direction; but this can be any direction at all
False
No. Parallel lines are lines that extend in the same direction. In a triangle the lines go in different directions.
A flat surface that extend infinitely in all directions is called a plane.
A group of points that extend forever in all directions is called a plane. We often draw a plane with edges, but it really has no edges.
These are called microvilli which means shaggy hair. They are tiny hairlike folds in the plasma membrane that extend from the surface of some cells. They are be seen as a "brush border" with a light microscope.
Extend in one or more directions.
yes
It is a line.
Foramen
A straight line without any defined end points
6:00
line. :D
Points do not extend, lines do.
Solar prominences are plasma rings that extend from the surface of the Sun, on outward.