| A | B |
|---|
| Line | no endpoints, goes on in both directions |
| Volume | amount of 3 dimensional space an object occupies, capacity |
| Area | size of a surface, amount of space inside a boundary of a flat, 2 dimensional object |
| Perimeter | distance around a 2 dimensional shape |
| Square | all sides are equal |
| Rhombus | Diagonals bisect each other at right angles |
| Line segment | has 2 end points |
| Ray | One end point, goes on in one direction, part of a line |
| Right angle | formed when 2 lines meet at 90 degrees |
| Acute angle | formed when 2 lines meet at less than 90 degrees |
| Obtuse angle | formed when 2 lines meet at greater than 90 degrees |
| Triangle | 3 sides |
| Square | 4 sides |
| Pentagon | 5 sides |
| Hexagon | 6 sides |
