| A | B |
|---|
| A collection of points along path that goes on and on in opposite directions. | Line |
| A part of a line, two endpoints | Line Segment |
| One endpoint and a line that extends on forever in the opposite direction. | Ray |
| Lines that never intersect and are always equal distance apart. | Parallel Lines |
| Lines that cross at only one point. | Intersecting Lines |
| Lines that intersect and make four right angles. | Perpendicular Lines |
| The point where two rays endpoints meet and an angle is created. | Vertex |
| Angle that is less than 90 degrees. | Acute Angle |
| Angle that is 90 degrees | Right Angle |
| Angle that is more than 90 degrees but less than 180 degrees. | Obtuse Angle |
| Angle that is 180 degrees. | Straight Angle |
| Angle that is more than 180 degrees but less than 360 degrees. | Reflex Angle |
| A dot that marks a specific place. | Point |
