| A | B |
| plane | flat |
| solid | takes up space |
| point | location in space |
| line | set of points passing through two given points |
| segment | set of points from one endpoint to another |
| ray | set of points from one point passing through a given point |
| polygon | closed,plane shape made from line segments |
| triangle | three-sided polygon |
| quadrilateral | four-sided polygon |
| square | quadrilateral with right angle and equal sides |
| trapezoid | quadrilateral with 1 pair of parallel sides |
| parallelogram | quadrilateral with 2 pair of parallel sides |