| A | B |
|---|
| line | goes in two directions and never ends |
| point | a dot in space |
| ray | has one endpoint and goes in one direction |
| square | a quaralateral with four right angles and four congruent sides |
| rhombus | a quadralateral with at least one pair of parallel sides |
| parallelogram | a quadralateral with two pair of parallel sides |
| line segment | has two endpoints |
| angle | two rays that meet at one endpoint |
| right angle | an angle that is 90 degrees |
| obtuse angle | an angle that is greater that 90 degrees |
| acute angle | an angle that is less than 90 degrees |
