| A | B |
|---|
| rays | a part of a line that exceeds indefinitely in one direction |
| point | the center of a circle |
| line | a never ending straight path exceeding in two directions |
| angle | two rays who have the same ending point |
| sides | the two rays that make up an angle |
| vertex | the common endpoint |
| degree | the most common unit of measure for angles |
| intersecting lines | lines that cross each others path |
| paralle lines | two lines that never cross |
| perpendicular lines | lines that form a right angle |
