| A | B |
| Lines in the same plane that never intersect |  |
| Two lines that intersect at right angles |  |
| Lines that have exactly one point in common |  |
| An endless collection of points in a straight path with no endpoints |  |
| A part of a line having two endpoints |  |
| A part of a line with one endpoint and goes on in one direction |  |
| Point of intersection of two rays when forming an angle |  |
| Angle measuring less than 90 degrees |  |
| Angle measuring 90 degrees |  |
| Angle measuring greater than 90 degrees |  |
| Angle measuring 180 degrees |  |