| A | B |
|---|
 | Acute Angle - an angle that measures between 0 degrees and 90 degrees |
 | Line - a collection of points in the same plane that extend continuously in both directions |
 | Obtuse Angle - an angle that measures between 90 degrees and 180 degrees |
 | Ray - a line that extends continuously in only one direction; the other side is an endpoint |
 | Right Angle- an angle that measures exactly 90 degrees |
 | Segment - a piece of line; it has 2 end points |
 | Straight Angle - an angle that measures exactly 180 degrees |
 | parallel lines - 2 or more line that never intersect |
 | Perpendicular Lines- 2 lines that intersect to form 90 degree angles |
 | Intersecting lines - 2 lines that cross or touch |
 | Hexagon - a six sided figure |
 | Pentagon - a five sided figure |
 | Quadrilateral - a four sided figure |
| Decagon | A ten sided figure |
| Octagon | An eight sided figure |
| Septagon or Heptagon | A seven sided figure |
