| A | B |
|---|
| line segment | a part of a line |
| centimeter | a metric unit for measuring length |
| horizontal | straight across |
| vertical | up & down |
| perimeter | the distance around a figures |
| quadrilateral | four sided figure |
| line | straight path that goes on forever in both directions |
| endpoint | the two ends of a line segment |
| parallel | two lines or line segments that will never cross |
| perpendicuar | two lines or line segments that form square corners |
| adjacent | side by side |
| opposite | across from one another |
| parallelogram | a quadrilateral with opposite sides that are parallel |
| rectangle | a parallelogram with adjacent sides that are perpendicular & opposite sides are the same length |
| square | a rectangle with sides that are all the same length |
| rhombus | a parallelogram with sides that are all the same length |
