we have the following:
Ray:
1. Ray has a starting point and another near the point of the row.
2. You have a starting point but no other ending points. So its length cannot be measured.
3. The symbol for ray is:
[tex]\rightarrow[/tex]Line:
1. There are no end points on a line.
2. There are no end points, so length of a line cannot be measured.
3. The symbol of a line is:
[tex]\leftrightarrow[/tex]